kurupted

is there a way to turn off post processing. i have horrible performance with lowest settings and patch 1.08. my comp is old but i believe if i can turn off not just set to low the post processing or hdr effects i can increase my performance. i have amd athlon xp 3200+ 2.2ghz 1gb corsair xmx ram nvidia BFG 6800 gt factory overclocked (if that really matters) 22' widescreen i like to play with 1650x1050 help thx

uhm this is a noob question but how do i edit this. or how can i bring it up in the editor. where do i put the .sqm i put it in missions folder but i dont know how to edit it. help thanks