Put simply, pictures of clouds. While terrestrial objects (the ground, trees, other miscellany) are allowed, the majority of the image should be occupied by clouds.
You can also view the photos that didn't make the cut for this contest – the B-Sides.
Contest links on Fark.com: All Entries | Voting Results Click on most photos to view in a larger size.
Shafts of sunlight over Molokai
Sunset after an Arizona thunderstorm
Painted clouds in Oklahoma
This page is a listing photos that have been entered in an amateur photography contest. All photographs were taken with a combination of one or more of the following pieces of photographic equipment: Canon EOS 30D camera body, Canon Powershot G2, Canon Powershot SD500 Digital Elph, Canon EF 70-200mm F/2.8L IS USM lens, Canon EF 1.4X II tele-extender, Canon EF 24-70mm F/2.8L USM lens, Canon EFS 10-22mm F/3.5-F/4.5 USM lens, Canon Speedlite 430EX flash, Manfrotto 682B monopod with 3229 swivel tilt head, Manfrotto 190CXPRO3 Carbon Fiber Tripod with 322RC2 Grip-Action Ballhead.