How to name an app store icon?

Icon.png - 57x57 pixels application icon for standard resolution iPhone.

Icon@2x.png - 114x114 pixels application icon for high resolution iPhone 4

Icon-Small.png - 29x29 pixels settings icon for standard resolution iPhone.

Icon-Small@2x.png - 58x58 pixels settings icon for high resolution iPhone.

These are ok. But how 开发者_JS百科to name an app store icon of size 512x512?

Apple has add a new sample code for icons: Icons
It could help you

iTunesArtwork.png

size 512*512px

It doesn't matter - and in fact it doesn't matter about the other icons. You can name them whatever you want as long as its the same name in the info.plist file.