Horrible FPS Lag in CSS

So today i came across horrible FPS lag on de_inferno and it got me pissed so i went over on google and looked for a solution, sure enough there was a solution. It's a config called Casey's Config. Check it out.

http://counterstrikesourcetactics.blogspot.com/2008/01/getting-shitty-fps-and-lag-caseys.html