PNG MORE
Desktop apps
Flat
Simply 8-bits #8
myscript, Calc
WhiteSmoke
96x96
Msecure
Pixel
Simply 8-bits #13
Keyboard, Wifi
PNG ICO ICNS MORE
3D
Free Social Media Icons
Logo, wood, Digg
512x512
Google Buzz icons
06, Buzz, google
128x128
Buzz, google, 10
google, Buzz, 21
Minicons
documents
48x48
Smooth
Digg
62x78
Polaroid
Feedburner
rectangular gmail, gmail
flickr
Reddit
yahoo
youtube