(The earth, alarm clock, telephone, music and other icons of the Android system are all in PNG format
PNGs\Browser.png
PNGs\Calender.png
PNGs\Camera.png
PNGs\Clock.png
PNGs\Contacts.png
PNGs\Email.png
PNGs\Gallery.png
PNGs\Gmail.png
PNGs\Gtalk.png
PNGs\Maps.png
PNGs\Market.png
PNGs\Messages.png
PNGs\Music.png
PNGs\Phone.png
PNGs\Thumbs.db
PNGs\Voice.png
.....)