I noticed this immediately upon entering Windhelm. These weird grey tones can be found through out the city on their walls and on the outside bridge, also the floor textures are flickering and are looking goofy.
http://i179.photobucket.com/albums/w283/Sieks/ScreenShot22.jpg
http://i179.photobucket.com/albums/w283/Sieks/ScreenShot6.jpg
Is this a Driver issue or a Skyrim Issue?