Revolution Airsoft is actually hosting a contest about this. They require that you post a video of you doing and you could win stuff/money/swag/etc through them.
Sounds fun, but it's unfortunate that I have neither time, money, a pumpkin, nor a rifle at present. :P
Maybe a couple of you already doing it could enter. Don't have the contest link, unfortunately, but I think they have it up on their Facebook page.
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