iPhone Backgrounds

– Provider of free wallpaper backgrounds which are custom sized for the apple iPhone.

iPhone Wallpapers

– Provider of free iPhone wallpapers, backgrounds, themes and downloads for the shiny new apple gadget.

All iPhone Wallpapers

– Provides free 320×480 iPhone and iPod Touch wallpapers, backgrounds and themes.

NOAO: iPhone Wallpapers

– A unique collection of images from the National Optical Astronomy Observatory

Airbag Industries: iPhone Wallpapers

– A collection of free wallpapers for the Apple iPhone.

AppleAre: iPhone Wallpapers

– Free Wallpapers and other stuff for the apple iPhone.

Planet iPhones

– An iPhone community providing user submitted themes, wallpapers, icons, and other mods.

iGadgetZone.com

– Free wallpapers and backgrounds for iPhone and iPod Touch.