Gaming and Microphone HELP

[doofy]

I'm trying to play counter-strike, and talk to other people. However, they cannot hear me... The hear me, but it is distorted.. My machine is a Athlon XP 1600, 256 mg DDR ram, Geforce 2 mx/400, 40 gig HD with 20 gig free space, sound blaster live value. I am connected to a LAN, and my ping is usualy around 20, My microphone is a plantronics ( $40 at circuit city) ....The say everything is distorted... Any Ideas how to fix?

Thanks guys.

 

[doofy]

drivers

forgot to mention all my drivers are the latest.....And I also can't play ANY OpenGL games.... They run for a bit, then crash...When I do get to play, I get these wierd screen flickers....????? XP is not macking me happy.