Change wallpaper programatically
Via:http://iphonedevwiki.net/index.php/UIImage Undocumented APIs to set and get the iPhone wallpaper programmatically. I hope these are legalized soon. There would be no end to the kind of things that can be done with them +defaultDesktopImage Signature +(UIImage*)defaultDesktopImage; Available in 2.0 – Return the user's lock screen image. +setDesktopImageData: Signature +(void)setDesktopImageData:(NSData*)jpegData; Available in 2.0 – Replace the user's lock screen image by the given JPEG data.