PNG ICO ICNS MORE
Desktop apps
Smooth
Farm-fresh
Email, sign, At
PaleTurquoise
32x32
Back, Layer, Arrange
Arrange, Layer
New Google Product Icons
Adsense
128x128
Glyph
16x16 Free Toolbar Icons
round, music, disc
16x16
PNG MORE
3D
Free Applications Icons
Configure, cogwheel, rotate
24x24
Orb icons
distiller, Acrobat, adobe