Card issues please Help

So I just built my new gaming rig and I'm loving it, except for I got Far Cry 2 and am having some WEIRD issues with it. All kinds of acid trip shading, things are being colored bright red, green and blue. I've done some research and found some other people are having graphics issues, some are Vista issues (i'm running 32 bit vista) and others are dead cards. Now no other game including Crysis which is built on the same engine as Far Cry 2 gives me any issues but FC2 does, basically after awhile of game play everything starts getting shaded with green, blue and red. Also if I let my computer sit still long enough my monitor goes black and starts flashing this note saying "Monitor Ok, check PC and Cable" I'm afraid I got a bad card, but I find it strange that only FC2 has issues, plus this monitor has been giving me that message for awhile now (it's about 5 years old).

I took a picture of what the game is doing
but sadly this forum wont let me post a picture with this thread. It looks kind of like the only N64 Turok games when you turned on the color cheat, everything goes weird colored. It's hard to explain, I wish I could post a pic on here... any help would be useful.

what card are you using? whats your psu? what drivers are you using?

seems to look more like an overheating issue.. strange that its happening only to one particulair game.