here are some screenshots
This is my problem on SL's client
http://i455.photobucket.com/albums/qq271/asakaping/TechnicalProblem.jpg
and this is another case in which i saw in most of my games, for now Insaniquarium.

As you can see in the last photo
only the game's screen is the only thing affected
oh yeah and i'm not running Windows Vistaâ„¢ i'm just using a theme to make it look like vista