I Found some sick replacements or a new skin for a zombie...

http://www.fpsbanana.com/skins/64370
Would be awesome to see a terminator chaseing me

http://www.fpsbanana.com/skins/34918

http://www.fpsbanana.com/skins/33480

http://www.fpsbanana.com/skins/games/72 - basically anything on this page works to looo.