These 'Size Irregular' photos use intense exaggeration and photoshopped distortion to prove that size matters... a lot. They include everything from a miniature pet zebra (held, surprise, surprise, by Paris Hilton) to massive urban pigeons.
"Change the size of something (or things) in your image, in a way that is extraordinary, but not impossible. Make your image believable, but not impossible," Worth1000's official contest rules suggested.
Check out the gallery of highlights from the 'Size Irregular' contest to see some extreme visual examples of why size matters.