diff -u SecondLife_i686_1_19_0_5/app_settings/message_template.msg SecondLife/app_settings/message_template.msg
--- SecondLife_i686_1_19_0_5/app_settings/message_template.msg  2008-01-03 17:54:23.000000000 -0500
+++ SecondLife/app_settings/message_template.msg        2008-03-05 21:00:50.000000000 -0500
@@ -8714,6 +8714,14 @@
                {       MediaID                 LLUUID                  }
                {       MediaAutoScale  U8                              }
        }
+       {
+               DataBlockExtended Single
+               {   MediaType       Variable    1   }
+               {   MediaDesc       Variable    1   }
+               {   MediaWidth      S32             }
+               {   MediaHeight     S32             }
+               {   MediaLoop       U8              }
+       }
 }
 
 // LandStatRequest