Halloween encourages a lot of creativity, especially when it comes to costumes. Group costumes present an extra challenge, but there's so much fodder for inspiration. The various results range from the sublime to the ridiculous, with everything in between. Let's forget all those middle-of-the-road get-ups for a second, though. Instead, let's focus on the best and the worst – the awesomely ridiculous and the ridiculously awesome. You get to decide which is which, though.