diff --git a/Materials/regions/hawaii.xml b/Materials/regions/hawaii.xml
index 339b345ad..fd1f9c9ea 100644
--- a/Materials/regions/hawaii.xml
+++ b/Materials/regions/hawaii.xml
@@ -14,24 +14,82 @@
       <value>summer</value>
     </equals>
   </condition>
+  
+  <material>
+    <name>Grass</name>
+    <name>Airport</name>
+    <name>AirportKeep</name>
+    <name>Greenspace</name>
+    <effect>Effects/grass</effect>
+    <texture-set>
+      <texture>Terrain/airport-grass.png</texture>
+      <texture n="13">Terrain/dry_pasture4.png</texture>
+      <texture n="14">Terrain/tundra-hawaii-green.png</texture>
+	  <texture n="20">Terrain/dry_pasture4.png</texture>
+    </texture-set>
+    <parameters>
+      <grit_alpha>0.4</grit_alpha>
+      <use_overlay>1</use_overlay>
+	  <overlay_bias>0.05</overlay_bias>
+      <use_color_overlay>0</use_color_overlay>
+      <base_layer_magnification>1.0</base_layer_magnification>
+      <overlay_layer_magnification>1.0</overlay_layer_magnification>
+	  <max_grass_height>0.3</max_grass_height>
+	  <grass_modulate_by_overlay>1</grass_modulate_by_overlay>
+	  <grass_modulate_height_min>0.2</grass_modulate_height_min>
+	  <grass_density>0.7</grass_density>
+	  <grass_groups>3</grass_groups>
+    </parameters>
+    <xsize>256</xsize>
+    <ysize>256</ysize>
+    <light-coverage>4000000.0</light-coverage>
+    <diffuse>
+      <r>0.93</r>
+      <g>0.95</g>
+      <b>0.93</b>
+      <a>1.0</a>
+    </diffuse>
+    <specular>
+      <r>0.1</r>
+      <g>0.12</g>
+      <b>0.1</b>
+      <a>1.0</a>
+    </specular>
+    <shininess>1.2</shininess>
+    <solid>1</solid>
+    <friction-factor>0.7</friction-factor>
+    <rolling-friction>0.1</rolling-friction>
+    <bumpiness>0.1</bumpiness>
+    <load-resistance>1e30</load-resistance>
+  </material>
 
   <material>
-    <effect>Effects/forest</effect>
     <name>MixedForestCover</name>
     <name>MixedForest</name>
     <name>RainForest</name>
     <name>EvergreenBroadCover</name>
+	<name>EvergreenForest</name>
+	<effect>Effects/terrain-overlay</effect>
     <texture-set>
       <texture>Terrain/rainforest-hawaii.png</texture>
       <texture n="11">Terrain/rainforest-hawaii.png</texture>
       <texture n="12">Terrain/shrub-hawaii.png</texture>
       <texture n="13">Terrain/shrub-hawaii.png</texture>
+	  <texture n="20">Terrain/evergreen.png</texture>
     </texture-set>
+	<parameters>
+	  <max_overlay_height>2.0</max_overlay_height>
+	  <overlay_hardness>0.0</overlay_hardness>
+	  <overlay_density>1.0</overlay_density>
+	  <overlay_scale>2.0</overlay_scale>
+	  <overlay_brightness_top>0.6</overlay_brightness_top>
+	  <overlay_brightness_bottom>0.2</overlay_brightness_bottom>
+    </parameters>
     <xsize>2000</xsize>
     <ysize>2000</ysize>
     <light-coverage>5000000.0</light-coverage>
     <wood-coverage>4000.0</wood-coverage>
-    <tree-texture>Trees/tropical.png</tree-texture>
+    <tree-texture>Trees/tropical-alt.png</tree-texture>
     <tree-varieties>8</tree-varieties>
     <tree-height-m>25.0</tree-height-m>
     <tree-width-m>15.0</tree-width-m>
@@ -42,7 +100,29 @@
   <material>
     <name>DryCropPastureCover</name>
     <name>DryCrop</name>
-    <texture>Terrain/dry_pasture4.png</texture>
+    <!--<texture>Terrain/dry_pasture4.png</texture>-->
+	<effect>Effects/terrain-overlay</effect>
+	<texture-set>
+     <texture>Terrain/dry_pasture4.png</texture>
+	 <texture n="11">Terrain/lava_hires.png</texture>
+	 <texture n="12">Terrain/tundra-hawaii-green.png</texture>
+     <texture n="13">Terrain/shrub-hawaii.png</texture>
+	 <texture n="20">Terrain/dry_pasture4.png</texture>
+	 <texture n="21">Terrain/dry_pasture4.png</texture>
+	</texture-set>
+	<parameters>
+	  <hires_overlay_bias>-0.15</hires_overlay_bias> 
+	  <max_overlay_height>1.0</max_overlay_height>
+	  <overlay_hardness>0.0</overlay_hardness>
+	  <overlay_density>0.6</overlay_density>
+	  <overlay_scale>2.0</overlay_scale>
+	  <overlay_autumn_flag>0</overlay_autumn_flag>
+	  <overlay_brightness_top>0.8</overlay_brightness_top>
+	  <overlay_brightness_bottom>0.4</overlay_brightness_bottom>
+	  <overlay_secondary_flag>1</overlay_secondary_flag>
+	  <overlay_secondary_hardness>0.0</overlay_secondary_hardness>
+	  <overlay_secondary_density>1.0</overlay_secondary_density>
+	</parameters>
     <xsize>2000</xsize>
     <ysize>2000</ysize>
     <solid>1</solid>
@@ -60,13 +140,11 @@
     <name>Rock</name>
     <name>Dump</name>
     <texture-set>
-      <texture>Terrain/rocks-lava.png</texture>
-      <texture n="12">Terrain/rocks-desert.png</texture>
-      <texture n="14">Terrain/rock_grain01.png</texture>
-      <texture n="13">Terrain/void.png</texture>
+      <texture>Terrain/shrub-hawaii.png</texture>
+      <texture n="12">Terrain/shrub-hawaii.png</texture>
+      <texture n="13">Terrain/shrub-hawaii.png</texture>
     </texture-set>
     <parameters>
-      <grain_strength>0.7</grain_strength>
       <transition_model>0.0</transition_model>
     </parameters>
     <xsize>1000</xsize>
@@ -82,19 +160,30 @@
     <name>DeciduousForest</name>
     <name>Bog</name>
     <name>Heath</name>
+	<effect>Effects/terrain-overlay</effect>
     <texture-set>
       <texture>Terrain/deciduous-hires.png</texture>
       <texture n="12">Terrain/shrub-hawaii.png</texture>
       <texture n="13">Terrain/shrub-hawaii.png</texture>
+	  <texture n="20">Terrain/evergreen.png</texture>
     </texture-set>
+	<parameters>
+	  <max_overlay_height>2.0</max_overlay_height>
+	  <overlay_hardness>0.0</overlay_hardness>
+	  <overlay_density>1.0</overlay_density>
+	  <overlay_scale>2.0</overlay_scale>
+	  <overlay_brightness_top>0.6</overlay_brightness_top>
+	  <overlay_brightness_bottom>0.2</overlay_brightness_bottom>
+	  <overlay_steepness_factor>0.3</overlay_steepness_factor>
+    </parameters>
     <xsize>2000</xsize>
     <ysize>2000</ysize>
     <light-coverage>10000000.0</light-coverage>
-    <wood-coverage>4000.0</wood-coverage>
+    <wood-coverage>5000.0</wood-coverage>
     <tree-texture>Trees/deciduous-alt.png</tree-texture>
     <tree-varieties>8</tree-varieties>
     <tree-height-m>25.0</tree-height-m>
-    <tree-width-m>15.0</tree-width-m>
+    <tree-width-m>25.0</tree-width-m>
     <rolling-friction>1</rolling-friction>
     <bumpiness>0.85</bumpiness>
   </material>
@@ -113,7 +202,7 @@
 
   <!-- Hawaii red sand shrub cover -->
   <material>
-    <!--<effect>Effects/landmass-scrub</effect>-->
+	<effect>Effects/terrain-overlay</effect>
     <name>ShrubCover</name>
     <name>ShrubGrassCover</name>
     <name>ScrubCover</name>
@@ -121,12 +210,27 @@
     <name>Sclerophyllous</name>
     <texture-set>
       <texture>Terrain/shrub-hawaii.png</texture>
+	  <texture n="11">Terrain/dry_pasture4.png</texture>
       <texture n="12">Terrain/shrub-hawaii.png</texture>
       <texture n="13">Terrain/shrub-hawaii.png</texture>
       <texture n="15">Terrain/rainforest-hawaii.png</texture>
+	  <texture n="20">Terrain/dry_pasture4.png</texture>
+	  <texture n="21">Terrain/lava_hires.png</texture>
     </texture-set>
     <parameters>
-      <dot_size>10.0</dot_size>
+      <dot_size>2.0</dot_size>
+	  <hires_overlay_bias>-0.05</hires_overlay_bias>
+	  <max_overlay_height>1.0</max_overlay_height>
+	  <overlay_hardness>0.0</overlay_hardness>
+	  <overlay_density>0.6</overlay_density>
+	  <overlay_scale>2.0</overlay_scale>
+	  <overlay_autumn_flag>0</overlay_autumn_flag>
+	  <overlay_brightness_top>0.8</overlay_brightness_top>
+	  <overlay_brightness_bottom>0.4</overlay_brightness_bottom>
+	  <overlay_steepness_factor>0.3</overlay_steepness_factor>
+	  <overlay_secondary_flag>1</overlay_secondary_flag>
+	  <overlay_secondary_hardness>1.0</overlay_secondary_hardness>
+	  <overlay_secondary_density>0.2</overlay_secondary_density>
     </parameters>
     <xsize>2000</xsize>
     <ysize>2000</ysize>
@@ -144,11 +248,11 @@
     </specular>
     <shininess>1.2</shininess>
     <light-coverage>20000000.0</light-coverage>
-    <wood-coverage>12000.0</wood-coverage>
-    <tree-texture>Trees/mixed-shrub.png</tree-texture>
-    <tree-varieties>8</tree-varieties>
-    <tree-height-m>2.0</tree-height-m>
-    <tree-width-m>2.0</tree-width-m>
+    <wood-coverage>20000.0</wood-coverage>
+	<tree-texture>Trees/hawaii-shrub.png</tree-texture>
+    <tree-varieties>4</tree-varieties>
+    <tree-height-m>4.0</tree-height-m>
+    <tree-width-m>6.0</tree-width-m>
     <rolling-friction>0.6</rolling-friction>
     <bumpiness>0.4</bumpiness>
   </material>
@@ -182,7 +286,7 @@
     <building-medium-min-floors>1</building-medium-min-floors>
     <building-medium-max-floors>3</building-medium-max-floors>
     <wood-coverage>5000.0</wood-coverage>
-    <tree-texture>Trees/tropical.png</tree-texture>
+    <tree-texture>Trees/tropical-alt.png</tree-texture>
     <tree-varieties>8</tree-varieties>
     <tree-height-m>25.0</tree-height-m>
     <tree-width-m>15.0</tree-width-m>
@@ -233,8 +337,8 @@
     <name>MixedCropPastureCover</name>
     <name>MixedCrop</name>
     <name>ComplexCrop</name>
-    <texture>Terrain/rice1.png</texture>
-    <object-mask>Terrain/rice1.mask.png</object-mask>
+    <texture>Terrain/cropgrass-madagascar.png</texture>
+    <object-mask>Terrain/cropgrass-hires.mask.png</object-mask>
     <xsize>2000</xsize>
     <ysize>2000</ysize>
     <light-coverage>2000000.0</light-coverage>
@@ -242,7 +346,7 @@
     <friction-factor>0.9</friction-factor>
     <rolling-friction>0.1</rolling-friction>
     <bumpiness>0.7</bumpiness>
-    <load-resistance>1e30</load-resistance>
+	<load-resistance>1e30</load-resistance>
     <object-group include="Materials/base/farm-buildings.xml"/>
     <wood-coverage>10000.0</wood-coverage>
     <tree-texture>Trees/mixed-alt.png</tree-texture>
@@ -250,5 +354,90 @@
     <tree-height-m>20.0</tree-height-m>
     <tree-width-m>12.0</tree-width-m>
   </material>
+  
+  <material>
+    <name>Lava</name>
+    <name>Burnt</name>
+	<effect>Effects/terrain-overlay</effect>
+	<texture-set>
+      <texture>Terrain/lava1.png</texture>
+	  <texture n="11">Terrain/dry_pasture4.png</texture>
+	  <texture n="12">Terrain/dry_pasture4.png</texture>
+	  <texture n="13">Terrain/shrub-hawaii.png</texture>
+	  <texture n="20">Terrain/lava_hires.png</texture>
+	  <texture n="21">Terrain/dry_pasture4.png</texture>
+	</texture-set>
+	<parameters>
+	  <hires_overlay_bias>-0.1</hires_overlay_bias> 
+	  <transition_model>0.2</transition_model> 
+	  <max_overlay_height>1.2</max_overlay_height>
+	  <overlay_hardness>1.0</overlay_hardness>
+	  <overlay_density>0.1</overlay_density>
+	  <overlay_autumn_flag>0</overlay_autumn_flag>
+	  <overlay_brightness_top>0.8</overlay_brightness_top>
+	  <overlay_brightness_bottom>0.4</overlay_brightness_bottom>
+	  <overlay_secondary_flag>1</overlay_secondary_flag>
+	  <overlay_secondary_hardness>0.0</overlay_secondary_hardness>
+	  <overlay_secondary_density>0.7</overlay_secondary_density>
+	</parameters>
+    <xsize>2000</xsize>
+    <ysize>2000</ysize>
+    <solid>1</solid>
+    <friction-factor>0.9</friction-factor>
+    <rolling-friction>0.1</rolling-friction>
+    <bumpiness>0.3</bumpiness>
+  </material>
+  
+  <material>
+    <name>Grassland</name>
+	<effect>Effects/terrain-overlay</effect>
+	<texture-set>
+     <texture>Terrain/dry_pasture4.png</texture>
+	 <texture n="11">Terrain/lava_hires.png</texture>
+	 <texture n="12">Terrain/tundra-hawaii-green.png</texture>
+	 <texture n="13">Terrain/shrub-hawaii.png</texture>
+	 <texture n="20">Terrain/dry_pasture4.png</texture>
+	 <texture n="21">Terrain/dry_pasture4.png</texture>
+	</texture-set>
+	<parameters>
+	  <hires_overlay_bias>-0.15</hires_overlay_bias> 
+	  <max_overlay_height>2.0</max_overlay_height>
+	  <overlay_hardness>0.0</overlay_hardness>
+	  <overlay_density>0.6</overlay_density>
+	  <overlay_scale>2.0</overlay_scale>
+	  <overlay_autumn_flag>0</overlay_autumn_flag>
+	  <overlay_brightness_top>0.8</overlay_brightness_top>
+	  <overlay_brightness_bottom>0.4</overlay_brightness_bottom>
+	  <overlay_secondary_flag>1</overlay_secondary_flag>
+	  <overlay_secondary_hardness>0.0</overlay_secondary_hardness>
+	  <overlay_secondary_density>1.0</overlay_secondary_density>
+	</parameters>
+    <xsize>2000</xsize>
+    <ysize>2000</ysize>
+    <light-coverage>2000000.0</light-coverage>
+    <diffuse>
+      <r>0.93</r>
+      <g>0.95</g>
+      <b>0.93</b>
+      <a>1.0</a>
+    </diffuse>
+    <specular>
+      <r>0.1</r>
+      <g>0.12</g>
+      <b>0.1</b>
+      <a>1.0</a>
+    </specular>
+    <shininess>1.2</shininess>
+    <solid>1</solid>
+    <friction-factor>0.7</friction-factor>
+    <rolling-friction>0.1</rolling-friction>
+    <bumpiness>0.3</bumpiness>
+    <load-resistance>1e30</load-resistance>
+    <wood-coverage>10000.0</wood-coverage>
+    <tree-texture>Trees/hawaii-shrub.png</tree-texture>
+    <tree-varieties>4</tree-varieties>
+    <tree-height-m>4.0</tree-height-m>
+    <tree-width-m>6.0</tree-width-m>
+  </material>
 
 </PropertyList>
diff --git a/Materials/regions/hawaii_big_island.xml b/Materials/regions/hawaii_big_island.xml
new file mode 100644
index 000000000..218a52e95
--- /dev/null
+++ b/Materials/regions/hawaii_big_island.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0"?>
+<PropertyList>
+  <name>Hawaii Big Island</name>
+  <area>
+    <lon1>-156.5</lon1>
+    <lon2>-154.0</lon2>
+    <lat1>18.8</lat1>
+    <lat2>20.5</lat2>
+  </area>
+
+  <condition>
+    <equals>
+      <property>sim/startup/season</property>
+      <value>summer</value>
+    </equals>
+  </condition>
+  
+  
+  <material>
+    <name>Lava</name>
+    <name>Burnt</name>
+	<effect>Effects/terrain-overlay</effect>
+	<texture-set>
+      <texture>Terrain/lava1.png</texture>
+	  <texture n="12">Terrain/rocks-lava.png</texture>
+	  <texture n="11">Terrain/lava_hires.png</texture>
+	  <texture n="13">Terrain/rocks-lava.png</texture>
+	  <texture n="20">Terrain/lava_hires.png</texture>
+	</texture-set>
+	<parameters>
+	  <hires_overlay_bias>-0.05</hires_overlay_bias> 
+	  <transition_model>1.0</transition_model> 
+	  <max_overlay_height>1.2</max_overlay_height>
+	  <overlay_hardness>1.0</overlay_hardness>
+	  <overlay_density>0.1</overlay_density>
+	  <overlay_autumn_flag>0</overlay_autumn_flag>
+	  <overlay_brightness_top>0.8</overlay_brightness_top>
+	  <overlay_brightness_bottom>0.4</overlay_brightness_bottom>
+	</parameters>
+    <xsize>2000</xsize>
+    <ysize>2000</ysize>
+    <solid>1</solid>
+    <friction-factor>0.9</friction-factor>
+    <rolling-friction>0.1</rolling-friction>
+    <bumpiness>0.3</bumpiness>
+  </material>
+  
+ </PropertyList>
diff --git a/Materials/regions/kauai.xml b/Materials/regions/kauai.xml
new file mode 100644
index 000000000..53d914b07
--- /dev/null
+++ b/Materials/regions/kauai.xml
@@ -0,0 +1,107 @@
+<?xml version="1.0"?>
+<PropertyList>
+  <name>Kauai</name>
+  <area>
+    <lon1>-160.0</lon1>
+    <lon2>-159.0</lon2>
+    <lat1>21.5</lat1>
+    <lat2>22.5</lat2>
+  </area>
+
+  <condition>
+    <equals>
+      <property>sim/startup/season</property>
+      <value>summer</value>
+    </equals>
+  </condition>
+  
+  
+  <material>
+    <name>ShrubCover</name>
+    <name>ShrubGrassCover</name>
+    <name>ScrubCover</name>
+    <name>Scrub</name>
+    <name>Sclerophyllous</name>
+	<effect>Effects/terrain-overlay</effect>
+    <texture-set>
+      <texture>Terrain/shrub-hawaii-green.png</texture>
+      <texture n="11">Terrain/rainforest-hawaii.png</texture>
+      <texture n="12">Terrain/shrub-hawaii-green.png</texture>
+      <texture n="13">Terrain/shrub-hawaii.png</texture>
+      <texture n="15">Terrain/rainforest-hawaii.png</texture>
+	  <texture n="20">Terrain/evergreen.png</texture>
+	  <texture n="21">Terrain/evergreen.png</texture>
+    </texture-set>
+    <parameters>
+      <transition_model>1.0</transition_model>
+	  <rock_strata>1</rock_strata>
+	  <max_overlay_height>2.0</max_overlay_height>
+	  <overlay_hardness>0.0</overlay_hardness>
+	  <overlay_density>0.7</overlay_density>
+	  <overlay_scale>2.0</overlay_scale>
+	  <overlay_autumn_flag>0</overlay_autumn_flag>
+	  <overlay_brightness_top>0.8</overlay_brightness_top>
+	  <overlay_brightness_bottom>0.4</overlay_brightness_bottom>
+	  <overlay_steepness_factor>0.3</overlay_steepness_factor>
+	  <overlay_secondary_flag>1</overlay_secondary_flag>
+	  <overlay_secondary_hardness>0.0</overlay_secondary_hardness>
+	  <overlay_secondary_density>0.7</overlay_secondary_density>
+    </parameters>
+    <xsize>2000</xsize>
+    <ysize>2000</ysize>
+    <diffuse>
+      <r>0.86</r>
+      <g>0.86</g>
+      <b>0.86</b>
+      <a>1.0</a>
+    </diffuse>
+    <specular>
+      <r>0.1</r>
+      <g>0.1</g>
+      <b>0.1</b>
+      <a>1.0</a>
+    </specular>
+    <shininess>1.2</shininess>
+    <light-coverage>20000000.0</light-coverage>
+    <wood-coverage>6000.0</wood-coverage>
+    <tree-texture>Trees/hawaii-shrub.png</tree-texture>
+    <tree-varieties>4</tree-varieties>
+    <tree-height-m>8.0</tree-height-m>
+    <tree-width-m>16.0</tree-width-m>
+    <rolling-friction>0.6</rolling-friction>
+    <bumpiness>0.4</bumpiness>
+  </material>
+  
+  <material>
+    <name>BarrenCover</name>
+    <name>Dirt</name>
+    <name>OpenMining</name>
+    <name>Rock</name>
+    <name>Dump</name>
+	<effect>Effects/terrain-overlay</effect>
+    <texture-set>
+      <texture>Terrain/shrub-hawaii.png</texture>
+      <texture n="12">Terrain/shrub-hawaii.png</texture>
+      <texture n="13">Terrain/shrub-hawaii.png</texture>
+	  <texture n="20">Terrain/evergreen.png</texture>
+    </texture-set>
+    <parameters>
+      <transition_model>0.0</transition_model>
+	  <rock_strata>1</rock_strata>
+	  <overlay_hardness>0.0</overlay_hardness>
+	  <overlay_density>0.5</overlay_density>
+	  <overlay_scale>2.0</overlay_scale>
+	  <overlay_autumn_flag>0</overlay_autumn_flag>
+	  <overlay_brightness_top>0.8</overlay_brightness_top>
+	  <overlay_brightness_bottom>0.4</overlay_brightness_bottom>
+	  <overlay_steepness_factor>0.6</overlay_steepness_factor>
+    </parameters>
+    <xsize>1000</xsize>
+    <ysize>1000</ysize>
+    <solid>1</solid>
+    <friction-factor>0.9</friction-factor>
+    <rolling-friction>0.1</rolling-friction>
+    <bumpiness>0.3</bumpiness>
+  </material>
+  
+ </PropertyList>
diff --git a/Materials/regions/materials.xml b/Materials/regions/materials.xml
index c32c3c981..a1a8ec57c 100644
--- a/Materials/regions/materials.xml
+++ b/Materials/regions/materials.xml
@@ -48,6 +48,8 @@
 <region include="Materials/regions/southeast_asia.xml"/>
 <region include="Materials/regions/hawaii.xml"/>
 <region include="Materials/regions/oahu.xml"/>
+<region include="Materials/regions/hawaii_big_island.xml"/>
+<region include="Materials/regions/kauai.xml"/>
 
 <!-- Africa -->
 <region include="Materials/regions/africa_savanna.xml"/>
diff --git a/Materials/regions/oahu.xml b/Materials/regions/oahu.xml
index 3d1cf40b7..ff1597f93 100644
--- a/Materials/regions/oahu.xml
+++ b/Materials/regions/oahu.xml
@@ -17,21 +17,35 @@
   </condition>
 
   <material>
-    <!--<effect>Effects/landmass-scrub</effect>-->
     <name>ShrubCover</name>
     <name>ShrubGrassCover</name>
     <name>ScrubCover</name>
     <name>Scrub</name>
     <name>Sclerophyllous</name>
+	<effect>Effects/terrain-overlay</effect>
     <texture-set>
       <texture>Terrain/shrub-hawaii-green.png</texture>
       <texture n="11">Terrain/rainforest-hawaii.png</texture>
       <texture n="12">Terrain/shrub-hawaii-green.png</texture>
       <texture n="13">Terrain/shrub-hawaii.png</texture>
       <texture n="15">Terrain/rainforest-hawaii.png</texture>
+	  <texture n="20">Terrain/evergreen.png</texture>
+	  <texture n="21">Terrain/evergreen.png</texture>
     </texture-set>
     <parameters>
       <transition_model>1.0</transition_model>
+	  <rock_strata>0</rock_strata>
+	  <max_overlay_height>2.0</max_overlay_height>
+	  <overlay_hardness>0.0</overlay_hardness>
+	  <overlay_density>0.7</overlay_density>
+	  <overlay_scale>2.0</overlay_scale>
+	  <overlay_autumn_flag>0</overlay_autumn_flag>
+	  <overlay_brightness_top>0.8</overlay_brightness_top>
+	  <overlay_brightness_bottom>0.4</overlay_brightness_bottom>
+	  <overlay_steepness_factor>0.3</overlay_steepness_factor>
+	  <overlay_secondary_flag>1</overlay_secondary_flag>
+	  <overlay_secondary_hardness>0.0</overlay_secondary_hardness>
+	  <overlay_secondary_density>0.7</overlay_secondary_density>
     </parameters>
     <xsize>2000</xsize>
     <ysize>2000</ysize>
@@ -49,11 +63,11 @@
     </specular>
     <shininess>1.2</shininess>
     <light-coverage>20000000.0</light-coverage>
-    <wood-coverage>12000.0</wood-coverage>
-    <tree-texture>Trees/mixed-shrub.png</tree-texture>
-    <tree-varieties>8</tree-varieties>
-    <tree-height-m>2.0</tree-height-m>
-    <tree-width-m>2.0</tree-width-m>
+    <wood-coverage>6000.0</wood-coverage>
+    <tree-texture>Trees/hawaii-shrub.png</tree-texture>
+    <tree-varieties>4</tree-varieties>
+    <tree-height-m>8.0</tree-height-m>
+    <tree-width-m>16.0</tree-width-m>
     <rolling-friction>0.6</rolling-friction>
     <bumpiness>0.4</bumpiness>
   </material>
diff --git a/Textures/Trees/evergreen-mediterranean.png b/Textures/Trees/evergreen-mediterranean.png
old mode 100755
new mode 100644
diff --git a/Textures/Trees/hawaii-shrub.png b/Textures/Trees/hawaii-shrub.png
new file mode 100644
index 000000000..cb56e03c9
Binary files /dev/null and b/Textures/Trees/hawaii-shrub.png differ
diff --git a/Textures/Trees/mojave-shrub.png b/Textures/Trees/mojave-shrub.png
old mode 100755
new mode 100644