It no longer has it. Here's some pics.
http://fuller.mit.edu/alan/vendetta/Valk00.jpg
http://fuller.mit.edu/alan/vendetta/Valk01.jpg

OS X 10.3
Dual 2ghz G5
512mb RAM
Radeon 9800

Yeah, I had that problem, too. You just need to reload your textures like Ray said (go from full to window or vice versa, or switch resolutions).

Changing resolutions does not fix this. Nor does changing from windowed to full screen. And it's on all specials, not just the valk.