diff --git a/libsecondlife-cs/Avatar.cs b/libsecondlife-cs/Avatar.cs
index ddb7c314..2f7c8842 100644
--- a/libsecondlife-cs/Avatar.cs
+++ b/libsecondlife-cs/Avatar.cs
@@ -652,7 +652,7 @@ namespace libsecondlife
             update.AgentData.CameraLeftAxis = new LLVector3(-0.7f, 0.7f, 0);
             update.AgentData.CameraUpAxis = new LLVector3(0.1822026f, 0.9828722f, 0);
             update.AgentData.Far = 384;
-            update.AgentData.ControlFlags = 0; // TODO: What is this?
+            update.AgentData.ControlFlags = 0;
             update.AgentData.Flags = 0;
             update.Header.Reliable = reliable;
 
diff --git a/libsecondlife-cs/ObjectManager.cs b/libsecondlife-cs/ObjectManager.cs
index 500ad43e..613b3fa8 100644
--- a/libsecondlife-cs/ObjectManager.cs
+++ b/libsecondlife-cs/ObjectManager.cs
@@ -75,6 +75,7 @@ namespace libsecondlife
         Prim = 9,
         Avatar = 47,
         Grass = 95,
+        ParticleSystem = 143,
         Tree = 255
     }
 
@@ -372,11 +373,14 @@ namespace libsecondlife
                         // FIXME: Handle tree objects
                         ;
                     }
+                    else if (block.PCode == (byte)PCode.ParticleSystem)
+                    {
+                        ;
+                    }
                     else
                     {
-                        // FIXME: Figure out what the unknown PCodes are
-                        Client.Log("Got an ObjectUpdate block with an unhandled PCode " +
-                            block.PCode, Helpers.LogLevel.Debug);
+                        // FIXME: How many of the PCodes do we actually need to handle?
+                        ;
                     }
                 }
             }
@@ -684,13 +688,12 @@ namespace libsecondlife
                     }
                     else if (pcode == (byte)PCode.Grass || pcode == (byte)PCode.Tree)
                     {
-                        // TODO:
+                        // TODO: Add new_tree and any other tree-like prims
                         ;
                     }
                     else
                     {
-                        Client.Log("Got an ObjectUpdateCompressed block with unhandled PCode " +
-                            pcode, Helpers.LogLevel.Debug);
+                        // TODO: ...
                         continue;
                     }
                 }
diff --git a/libsecondlife-cs/Types.cs b/libsecondlife-cs/Types.cs
index 7beac4a6..6f08ded1 100644
--- a/libsecondlife-cs/Types.cs
+++ b/libsecondlife-cs/Types.cs
@@ -658,20 +658,6 @@ namespace libsecondlife
         /// <returns></returns>
 		public byte[] GetBytes()
 		{
-            //byte[] byteArray = new byte[16];
-
-            //Array.Copy(BitConverter.GetBytes(X), 0, byteArray, 0, 4);
-            //Array.Copy(BitConverter.GetBytes(Y), 0, byteArray, 4, 4);
-            //Array.Copy(BitConverter.GetBytes(Z), 0, byteArray, 8, 4);
-            //Array.Copy(BitConverter.GetBytes(W), 0, byteArray, 12, 4);
-
-            //if(!BitConverter.IsLittleEndian) {
-            //    Array.Reverse(byteArray, 0, 4);
-            //    Array.Reverse(byteArray, 4, 4);
-            //    Array.Reverse(byteArray, 8, 4);
-            //    Array.Reverse(byteArray, 12, 4);
-            //}
-
             byte[] bytes = new byte[12];
             float norm;