Apple's Technical Q&A 1686 has the lowdown on the icons you need. As of July 2011, this is the set:Sizes are square. Assuming a universal app 512 iTunesArtwork iTunes. No .png extension 57 Icon.png AppStore, iPhone/Touch home screen. Required 114 Icon@2x.png iPhone4 72 Icon-72.png App Store, iPad. Required. 29 Icon-Small.png Settings on iPad and iPhone, Spotlight iPhone 50 Icon-Small-50.png Spotlight iPad 58 Icon-Small@2x.png Settings and Spotlight iPhone4Then in your info.plist, make an "Icon files" entry (an array), and list all the Icon*.png files.