I have just discovered this problem as well, though in my case, it is with certain audiobooks whose artwork is actually the cover of the print edition. I imagine it has something to do with the completely new software that was written for the current generation of iPods, possibly related to the funky angling and reflecting of the art, though I really don't know. In any case, I don't think there's a way for us to fix it. I have sent a feedback message to Apple asking that they address this problem, though given how comparatively minor it is, I doubt it will be dealt with quickly, if at all. If you are interested in doing the same, to add whatever small weight you can to the matter, the link is here: http://www.apple.com/feedback/ipod.html