Skyline map Bugged ??

why is the map green ..??
http://i558.photobucket.com/albums/s...yu/Gunz054.jpg

when i dash around some off the green colour goes away
http://i558.photobucket.com/albums/s...yu/Gunz053.jpg

So whats the problem now??

this happens to me once
i just changed the map quality

i dont have that

Indeed like Nathzi said OR it can be caused by ur graphics card.

thx for the info