Cracked has a pretty good list up that counts down the 15 worst album covers of all time. Their parameters are set by the fact that it doesn’t take much to make a decent album cover (if your album is called The Wall, just put bricks on it), and yet some bands still make questionable album cover choices. My personal pick for the worst is to the left (Kevin Rowland’s My Beauty). To read the whole list, go here.
Gawd, that Boned cover is horrible. I like what Cracked says about it: "you've pretty much beaten subtlety to death, looted the corpse, tossed it in the Brooklyn river and then watched an episode of Law and Order based on the crime."