diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index d9fe4e27f9..f80f5a08cd 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -1251,6 +1251,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         {
             try
             {
+                /* test code using the terrain compressor in libOpenMetaverse
+                int[] patchInd = new int[1];
+                patchInd[0] = px + (py * Constants.TerrainPatchSize);
+                LayerDataPacket layerpack = TerrainCompressor.CreateLandPacket(terrData.GetFloatsSerialized(), patchInd);
+                 */
                 LayerDataPacket layerpack = OpenSimTerrainCompressor.CreateLandPacket(terrData, px, py);
                 
                 // When a user edits the terrain, so much data is sent, the data queues up fast and presents a sub optimal editing experience.  
@@ -1322,6 +1327,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             if (m_scene.RegionInfo.RegionSizeX > Constants.RegionSize || m_scene.RegionInfo.RegionSizeY > Constants.RegionSize)
                 layerType = (byte)TerrainPatch.LayerType.WindExtended;
 
+            // LayerDataPacket layerpack = TerrainCompressor.CreateLayerDataPacket(patches, (TerrainPatch.LayerType)layerType);
             LayerDataPacket layerpack = OpenSimTerrainCompressor.CreateLayerDataPacket(patches, layerType,
                                 (int)m_scene.RegionInfo.RegionSizeX, (int)m_scene.RegionInfo.RegionSizeY);
             layerpack.Header.Zerocoded = true;
@@ -1351,6 +1357,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             if (m_scene.RegionInfo.RegionSizeX > Constants.RegionSize || m_scene.RegionInfo.RegionSizeY > Constants.RegionSize)
                 layerType = (byte)TerrainPatch.LayerType.CloudExtended;
 
+            // LayerDataPacket layerpack = TerrainCompressor.CreateLayerDataPacket(patches, (TerrainPatch.LayerType)layerType);
             LayerDataPacket layerpack = OpenSimTerrainCompressor.CreateLayerDataPacket(patches, layerType,
                                 (int)m_scene.RegionInfo.RegionSizeX, (int)m_scene.RegionInfo.RegionSizeY);
             layerpack.Header.Zerocoded = true;
diff --git a/OpenSim/Region/Framework/Scenes/TerrainCompressor.cs b/OpenSim/Region/Framework/Scenes/TerrainCompressor.cs
index b41691f32e..1107a2ad45 100644
--- a/OpenSim/Region/Framework/Scenes/TerrainCompressor.cs
+++ b/OpenSim/Region/Framework/Scenes/TerrainCompressor.cs
@@ -81,7 +81,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             BuildQuantizeTable16();
         }
 
-        // Unused: left for historical reference.
+        // Used to send cloud and wind patches
         public static LayerDataPacket CreateLayerDataPacket(TerrainPatch[] patches, byte type, int pRegionSizeX,
                                                             int pRegionSizeY)
         {
@@ -275,7 +275,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
 
             header.DCOffset = zmin;
-            header.Range = (int)(zmax - zmin + 1.0f);
+            header.Range = (int)((zmax - zmin) + 1.0f);
 
             return header;
         }
@@ -491,7 +491,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                         lineout[CopyMatrix16[uptr + column]] = (int)(total * QuantizeTable16[uptr + column]);
                         }
                 }
-        */
 
         private static void DCTColumn16(float[] linein, int[] lineout, int column)
         {
@@ -524,6 +523,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 lineout[CopyMatrix16[uptr + column]] = (int) (total*QuantizeTable16[uptr + column]);
             }
         }
+        */
 
         private static int DCTColumn16Wbits(float[] linein, int[] lineout, int column, int wbits, int maxwbits)
         {
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
index c977a5d670..f2ad5280d1 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
@@ -553,7 +553,7 @@ public static class BSParam
         new ParameterDefn<float>("TerrainContactProcessingThreshold", "Distance from terrain to stop processing collisions" ,
             0.0f ),
         new ParameterDefn<float>("TerrainCollisionMargin", "Margin where collision checking starts" ,
-            0.08f ),
+            0.04f ),
 
         new ParameterDefn<float>("AvatarFriction", "Factor to reduce movement against an avatar. Changed on avatar recreation.",
             0.2f ),