OK, don't look at this site until you have an hour to spare, because you'll be addicted. You can create your own 1950s pulp fiction covers. Choose magazine cover, backgrounds, words, formats - the whole thing. When you've done it you can save it, or get it copied onto mugs and posters for purchase. It's one of the very best of this type of thing that I've discovered; here's my attempt, based on the recent National Libraries Day:
Hat tip to Sue Lawson for finding this one!