Mantis#1971. Thank you kindly, BlueWall for a patch that:

The included patch enable handling for PRIM_FULLBRIGHT in 
llSetPrimitiveParams().

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs

@@ -1088,7 +1088,32 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 return;
             }
         }
-                
+		   
+		public void SetFullBright(SceneObjectPart part, int face, bool bright) 
+ 		{
+ 			LLObject.TextureEntry tex = part.Shape.Textures;
+             if (face > -1)
+             {
+ 				tex.CreateFace((uint) face);
+ 				tex.FaceTextures[face].Fullbright = bright;
+ 				part.UpdateTexture(tex);
+ 				return;
+ 			}
+ 			else if (face == -1)
+ 			{
+                 for (uint i = 0; i < 32; i++)
+                 {
+                     if (tex.FaceTextures[i] != null)
+                     {
+ 						tex.FaceTextures[i].Fullbright = bright;
+ 					}	
+ 				}
+ 				tex.DefaultTexture.Fullbright = bright;
+                 part.UpdateTexture(tex);
+                 return;
+ 			}
+ 		}
+ 		        
         public double llGetAlpha(int face)
         {
             m_host.AddScriptLPS(1);
@@ -5498,7 +5523,20 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                         SetShiny(part, face, shiny, bump);
                         
                         break;
-                    }
+					 case (int)ScriptBaseClass.PRIM_FULLBRIGHT:
+ 						if (remain < 2)
+ 							return;
+ 						face = Convert.ToInt32(rules.Data[idx++]);						
+ 						string bv = rules.Data[idx++].ToString();
+ 						bool st;
+ 						if(bv.Equals("1"))
+ 							st = true;
+ 						else
+ 							st = false;
+ 					
+ 						SetFullBright(part, face , st);
+ 						break;
+				}
             }
         }
 

bin/assets/AssetSets.xml

@@ -10,11 +10,11 @@
 
   <!-- New asset sets can be added as shown below -->
 
-<!--
+
   <Section Name="My Asset Set">
-    <Key Name="file" Value="MyAssetSet/MyAssetSet.xml"/>
+	  <Key Name="file" Value="OpenTexturesAssetSet/3DDCAssetSet.xml"/>
   </Section>
--->
+
   
 
   <Section Name="Animations AssetSet">

bin/inventory/Libraries.xml

@@ -8,12 +8,12 @@
        the hardcoded root library folder ("OpenSim Library") 
 
        You can also add folders and items to the folders of libraries defined in this file --> 
-<!--
+    
-  <Section Name="My Site Library">
+  <Section Name="Open Textures Library">
-    <Key Name="foldersFile" Value="MySiteLibrary/MySiteLibraryFolders.xml"/>
+    <Key Name="foldersFile" Value="OpenTexturesLibrary/3DDCInventoryFolders.xml"/>
-    <Key Name="itemsFile" Value="MySiteLibrary/MySiteLibraryItems.xml"/>
+    <Key Name="itemsFile" Value="OpenTexturesLibrary/3DDCInventoryItems.xml"/>
   </Section>
--->
+ 
 
 <!-- comment the following to stop from loading the subfolders on login -->