Naked on a Glacier

Known around the world for his installations, Spencer Tunick wants people to know that global climate change is not an abstract issue, but a hazardous threat which affects us all. "I want my images to go more than skin-deep. I want the viewers to feel the vulnerability of their existence and how it relates closely to the sensitivity of the world's glaciers", he said. You can find this free desktop wallpaper, and other cool stuff at Greenpeace.org