Hopefully someone else will find these useful. Distilled from the Apple guide
- Icon.png – Home screen icon for iPhone 3 (57×57)
- Icon@2x.png – Home screen icon for iPhone 4 (114×114)
- Icon-72.png – Home screen icon for iPad (72×72)
- Icon-Small.png - Settings/Spotlight icon for iPhone 3 (29×29)
- Icon-Small@2x.png – Settings/Spotlight icon for iPhone 4 (58×58)
- Icon-Small-50.png – Spotlight icon for iPad (50×50)
- iTunesArtwork – Icon for iTunes AdHoc distribution (512×512)
Had a request to make the work flow a little easier heres those icons in descending size order
- iTunesArtwork – Icon for iTunes AdHoc distribution (512×512)
- Icon@2x.png – Home screen icon for iPhone 4 (114×114)
- Icon-72.png – Home screen icon for iPad (72×72)
- Icon-Small@2x.png – Settings/Spotlight icon for iPhone 4 (58×58)
- Icon.png – Home screen icon for iPhone 3 (57×57)
- Icon-Small-50.png – Spotlight icon for iPad (50×50)
- Icon-Small.png - Settings/Spotlight icon for iPhone 3 (29×29)