diff --git a/OpenSim/Region/Environment/Scenes/Scene.PacketHandlers.cs b/OpenSim/Region/Environment/Scenes/Scene.PacketHandlers.cs
index b5faad52e1..27def3d530 100644
--- a/OpenSim/Region/Environment/Scenes/Scene.PacketHandlers.cs
+++ b/OpenSim/Region/Environment/Scenes/Scene.PacketHandlers.cs
@@ -92,7 +92,16 @@ namespace OpenSim.Region.Environment.Scenes
                     break;
             }
 
-            remoteUser.SendLayerData((int)(west / 16), (int)(north / 16), Terrain.GetHeights1D());
+            for (int x = 0; x < 16; x++)
+            {
+                for (int y = 0; y < 16; y++)
+                {
+                    if (Terrain.Tainted(x * 16, y * 16))
+                    {
+                        remoteUser.SendLayerData(x, y, Terrain.GetHeights1D());
+                    }
+                }
+            }
 
             return;
         }
diff --git a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Manipulators/AerobicErosion.cs b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Manipulators/AerobicErosion.cs
index fecb748e06..589d360203 100644
--- a/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Manipulators/AerobicErosion.cs
+++ b/OpenSim/Region/Terrain.BasicTerrain/libTerrainBSD/Channel/Manipulators/AerobicErosion.cs
@@ -76,7 +76,7 @@ namespace libTerrain
         /// <param name="lowest">Drop sediment at the lowest point?</param>
         public void AerobicErosion(double windspeed, double pickupTalusMinimum, double dropTalusMinimum, double carry, int rounds, bool lowest, bool usingFluidDynamics)
         {
-            bool debugImages = true;
+            bool debugImages = false;
 
             Channel wind = new Channel(w, h) ;
             Channel sediment = new Channel(w, h);