PNG ICO ICNS MORE
Desktop apps
Smooth
Icons Mega Pack 1 and 2
gmail
Black
256x256
Free Colorful Icons
Snow
360x360
PNG MORE
Smile
WhiteSmoke
90x90
Flurry for the web
Silver
512x512
Athena HD
126x128
170 dock icons
Firebrick
Astra
mail, gmail
Gainsboro
59x60
Mnml
128x128
PNG ICO MORE
Social and web icons
gmail, google, noticias
64x64
Polaroid
rectangular gmail, gmail
62x78
Web 2.0 Origami
OrangeRed
250x250
40x40
med, gmail
100x100