Brand new level for UT3 :)
Unrar CTF-ImpactBeta1.rar
Move all files into C:\Documents and Settings\YOURNAME\My Documents\My Games\Unreal Tournament 3\UTGame\Published\CookedPC\CustomMaps
If the directory does not exist, create it manually.
Type "open CTF-ImpactBeta1" in the console, or select the level in a multiplayer/instant action game.