for future reference the video below was "Chad warden original (with the text what he is talking about)"

http://www.youtube.com/watch?v=30xAx346zQc

Gabe Straight Alliance

Left 4 Dead (1 & 2) third person camera settings:

In the console
-------------------------------------------------------------------
Bind "insertkeyhere" thirdpersonshoulder;
c_thirdpersonshoulderoffset 0;
c_thirdpersonshoulderaimdist 720;
c_thirdpersonshoulderheight 10;
cam_ideallag 0;