For the contest:

3D: Anything rendered with a 3D program. Poser..daz.. etc
2D: Should be just that actual drawn etc.

Its best to keep anything "rendered" in 3D

Same thing goes with Photo, if it is a photo then that is where it should go. But, if you can no longer tell its a photo, then 2D would be the right place.

Hope that helps! :)

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.::That which does not kill us makes us stronger::.
-- Friedrich Nietzsche