diff --git a/cloudlayers.xml b/cloudlayers.xml
index 0d45ecd12..ddfc8f9f8 100644
--- a/cloudlayers.xml
+++ b/cloudlayers.xml
@@ -987,11 +987,11 @@
         <name>cu-con</name>
         <count>2</count>
       </cloud>
-      <grid-x-size type="double">3000.0</grid-x-size>
-      <grid-y-size type="double">3000.0</grid-y-size>
-      <grid-x-rand type="double">1500.0</grid-x-rand>
-      <grid-y-rand type="double">1500.0</grid-y-rand>
-      <grid-z-rand type="double">200.0</grid-z-rand>
+      <grid-x-size type="double">2000.0</grid-x-size>
+      <grid-y-size type="double">2000.0</grid-y-size>
+      <grid-x-rand type="double">500.0</grid-x-rand>
+      <grid-y-rand type="double">500.0</grid-y-rand>
+      <grid-z-rand type="double">100.0</grid-z-rand>
     </cu>
     <cb>
       <cloud>
@@ -1010,10 +1010,10 @@
         <name>cu-con</name>
         <count>5</count>
       </cloud>
-      <grid-x-size type="double">6000.0</grid-x-size>
-      <grid-y-size type="double">6000.0</grid-y-size>
-      <grid-x-rand type="double">2000.0</grid-x-rand>
-      <grid-y-rand type="double">2000.0</grid-y-rand>
+      <grid-x-size type="double">2000.0</grid-x-size>
+      <grid-y-size type="double">2000.0</grid-y-size>
+      <grid-x-rand type="double">500.0</grid-x-rand>
+      <grid-y-rand type="double">500.0</grid-y-rand>
       <grid-z-rand type="double">200.0</grid-z-rand>
     </cb>
      <ac>
@@ -1021,13 +1021,13 @@
         <name>ac-str</name>
         <count>1</count>
       </cloud>
-      <grid-x-size type="double">2000.0</grid-x-size>
-      <grid-y-size type="double">2000.0</grid-y-size>
+      <grid-x-size type="double">1000.0</grid-x-size>
+      <grid-y-size type="double">1000.0</grid-y-size>
       <grid-x-rand type="double">100.0</grid-x-rand>
       <grid-y-rand type="double">100.0</grid-y-rand>
       <grid-z-rand type="double">100.0</grid-z-rand>
     </ac>
-    
+<!--    
    <st>
       <cloud>
         <name>st</name>
@@ -1039,6 +1039,7 @@
       <grid-y-rand type="double">500.0</grid-y-rand>
       <grid-z-rand type="double">100.0</grid-z-rand>
     </st>
+-->    
     <sc>
       <cloud>
         <name>sc</name>
diff --git a/gui/dialogs/clouds.xml b/gui/dialogs/clouds.xml
index 7d280f4b9..dfe583c88 100644
--- a/gui/dialogs/clouds.xml
+++ b/gui/dialogs/clouds.xml
@@ -274,6 +274,12 @@
    <binding>
     <command>dialog-apply</command>
    </binding>
+   <binding>
+       <command>nasal</command>
+       <script>
+           setprop("/environment/rebuild-layers", getprop("/environment/rebuild-layers")+1);
+       </script>
+   </binding>
    <binding>
     <command>dialog-close</command>
    </binding>
@@ -287,6 +293,13 @@
    <binding>
     <command>dialog-apply</command>
    </binding>
+   <binding>
+       <command>nasal</command>
+       <script>
+           setprop("/environment/rebuild-layers", getprop("/environment/rebuild-layers")+1);
+       </script>
+   </binding>
+   
   </button>
 
   <button>