FPS Tweaking

I am aware that there are alot of people out there who either can't afford or are too lazy to buy better pc's and have to deal with bad fps on some maps, so I thought I would make this guide for getting better fps in game (alot of it is stolen from some graphic sites but I can't remember it so I can't reference it).

Two things .. graphic settings and in game cvars.

Graphics:
Obviously it depends on what card you have but as I have a GeForce 6800, I will explain the relevant settings for