This Demo is an Decent exmple, showing usage of Image proc,Where you can set a Target on player/NPC so that your attacks etc. works on your Target only.
Update v1.1(July 2, 08):
-Made it so that it untargets automatically after sometime.(Suggestion by Chris-g1)
Got any suggestions?
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Email: Dgromz@yahoo.com
Msn IM: incredible_hardik@hotmail.com