Q: How do you change the album art on music files when the Playstation 3 gets it wrong?
A: 1. Download a pic of the art you need as a jpg on your PC and put it onto a memory stick (in a folder called Picture, ideally).
2. Plug the memory stick into the PS3 and copy it to your Photo menu (press Triangle).
3. Go to Music and select the album folder with the incorrect art.
4. Press Triangle and select Information.
5. Go to the Photo menu and select your new picture.
See also: 10 PS3 tricks Sony doesn’t tell you