A few nice photo contest images I found:
2012 Photo Contest - Special Assignment Category
Image by Friends of Seney National Wildlife Refuge
Photo: Mrs. Caterpillar (Spotted Tussock Moth). Photo Credit: Katelyn Cox, 2012 Photo Contest - 3rd Place Special Assignment Category
Cruel Hand
Image by Nathan Congleton
www.nikonlive.com/contest/view/6096fe37-6359-47b8-b2da-41...
Earth Week Photo Contest 2010
Image by heraldpost
This photo titled Squirrel recieved an honorable mention in the 2010 Earth Week Photo Contest judged by USAG Baden-Wϋrttemberg Environmental Division
Photo by Michael Shannon