Poolga has scores of fantastic, arty (and free) wallpapers for your iPhone. The works are from many designers and illustrators from around the world.
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Aliens Mural by Jim Vision & Dr Zadok
Pen and Ink Illustration by laurelmyck
Гелла (JazJaz Flickr Pool)
Remarkable Illustrations of Birds Drawn in Moleskine Diaries
Exciting New Art Prints Inspired by Pop Culture
Stunning Landscape Paintings by Samuel Earp
Sculpting With Passion – The Cement & Plaster Sculptures of Hadi Baghlaf