Smashingmagazine produces some awesome collections of wallpapers of different resolutions, with and without calendar, on monthly basis. Artists from different parts of the world contribute to this endeavour from the side of smashingmagazine.
A collection of 30 free desktop wallpapers are available for download for this month (May 2011). Check it out.
The above screenshot is of the wallpaper designed by Ester Liquori from Italy titled “Mr. Fisherman And The Cat”
"An old fisherman is having a nap nearby a lake. In the meantime a curious and hungry cat is trying to steal his fishes. Is it going to succeed?"
To view all 30 wallpapers and free download, visit Smashingmagazine.com.