PNG ICO ICNS MORE
Mixed
Smooth
August
smiley, happy
Khaki
32x32
really, happy, smiley
Desktop apps
Pixel
Splashyfish
Gold
16x16
Avatars & smileys
Lin
Face, smiley, smile
128x128
Led Icons
happy, Emoticon
DarkGoldenrod
happy, smile, Emoticon
Photography & graphic design
3D
Dark Glass
Emoticon, smiley, good
red, smiley, happy
OrangeRed
PNG MORE
Network & communications
Oxygen
happy, Gear, Cog
CornflowerBlue
22x22
Face, happy, sleep
DRF
smiley, happy, Face
KDE Crystal Diamond
Face, smiley, happy
Black
UI
Nuvola
dicussion board, happy, references
Crystal Clear
Face, yellow, happy
smiley, happy, sunglasses
happy, smiley
Chocolate
Silk
Emoticon, smiley, evilgrin
smiley, happy, Emoticon
happy, Emoticon, smiley
Emoticon, smiley, wink