It seems like there are at least a dozen "photo trends" going on right now but this one has to be the most abstract and definitely the most risky. Steven Leckart of Wired Magazine explains how you too can bring out the artist inside of you by throwing and twirling your point and shoot camera into the air with a long exposure. While Steven explains that you need a few constant lights, I'm willing to bet that you can come up with some interesting results with just natural light too. If you really want to up the ante, throw your DSLR camera with fish eye lens up in the sky ala Mike Larson. I can't find his wedding video at the moment but he demonstrates his unique portrait toss in the second video below.
Mike Larson's DSLR Camera Toss: