Hi,
this evining just found a nice PSD, where You can finad all the elements showed into iphone screen.

You can see (and download this) FROM THIS WEB SITE:

http://www.teehanlax.com/blog/wp-content/uploads/iphonegui_3_0.jpg (the pix)

http://www.teehanlax.com/blog/?p=1628 (the download link)

Ciao
Ale

Thanks for posting that link! There's a lot of great stuff in that!