http://bugs.winehq.org/show_bug.cgi?id=22558
--- Comment #1 from Roderick Colenbrander thunderbird2k@gmail.com 2010-05-02 16:33:14 --- I'll try to look at this bug tomorrow. Looking at the screenshot I think the game is luckily not using P8 textures anymore but the issue you are seeing is something alpha blending / color keying related.