PNG ICO ICNS MORE
UI
Pixel
Tango
funny, smile, Big
DarkSlateGray
32x32
smile, Face
Avatars & smileys
Smooth
Lin
Face, smiley, smile
Khaki
128x128
Mixed
Led Icons
happy, smile, Emoticon
DarkGoldenrod
16x16
PNG MORE
Network & communications
Oxygen
Big, Face, smile
22x22
Face, smile
Desktop apps
Circular
grin, smile, smiley
Gold
smile, smiley
Function icons
smile, grin
Goldenrod
48x48
smile, sad
3D
Nuvola
some, Kopete, online
Crystal Clear
Face, yellow, happy
smile, Ksmiletris