heres some helpful links:
updated GCF for VPK extraction: http://nemesis.thewavelength.net/index.php?p=25
unoffical FGD for L4D http://www.gimmik.net/terrenteller/filedump/VDC/L4DInfo.zip
very inciteful tut on fps banana to rig hammer for L4D http://www.fpsbanana.com/tuts/7416
list of tuts from l4dmapping forums http://forums.l4dmaps.net/f11/
vdc wiki http://developer.valvesoftware.com/wiki/Left_4_Dead_Level_Creation
this should be more than enough help, have fun




















