Here are some more examples of stock photography being overused.
..which features a recent UK edition of a very good book (the Neruda) and a recent US edition of a very bad book. Also note the mimsy American avoidance of nipple display on the second cover.
Then there's this, which is a bit different. It's the same chap in almost the same pose on both covers--presumably they're from the same photography session--but in the first he's a laconic Swedish policeman (from the brilliant Martin Beck series) and in the other he's a Turkish journalist.