diff --git a/materials-dds.xml b/materials-dds.xml
index c5555b11c..0198fc0a7 100644
--- a/materials-dds.xml
+++ b/materials-dds.xml
@@ -1280,7 +1280,6 @@ Shared parameters for various materials.
     <name>ShrubCover</name>
     <name>ShrubGrassCover</name>
     <name>ScrubCover</name>
-    <name>Scrub</name>
     <name>Sclerophyllous</name>
     <name>Heath</name>
     <texture>Terrain/shrub.dds</texture>
@@ -2554,7 +2553,6 @@ Shared parameters for various materials.
     <name>ShrubCover</name>
     <name>ShrubGrassCover</name>
     <name>ScrubCover</name>
-    <name>Scrub</name>
     <name>Sclerophyllous</name>
     <name>Heath</name>
     <texture>Terrain.winter/shrub.png</texture>
diff --git a/preferences.xml b/preferences.xml
index fd3e3041b..e5d5f91d4 100644
--- a/preferences.xml
+++ b/preferences.xml
@@ -67,6 +67,24 @@ Started September 2000 by David Megginson, david@megginson.com
 			<debug type="bool">false</debug>
 			<realism type="int">5</realism>
 			<filtering type="int">8</filtering>
+			<shaders>
+				<model type="float"
+							 userarchive="y">1.0</model>
+				<crop type="float"
+							userarchive="y">1.0</crop>
+				<landmass type="float"
+									userarchive="y">1.0</landmass>
+				<contrails type="float"
+									 userarchive="y">1.0</contrails>
+				<transition type="float"
+										userarchive="y">1.0</transition>
+				<urban type="float"
+							 userarchive="y">1.0</urban>
+				<water type="float"
+							 userarchive="y">1.0</water>
+				<quality-level type="float"
+											 userarchive="y">3.0</quality-level>
+			</shaders>
 			<mie type="float"
 					 userarchive="y">0.003</mie>
 			<rayleigh type="float"