PNG ICO ICNS MORE
Desktop apps
Glyph
Ourea Icons
del.icio.us
Black
256x256
PNG MORE
Flat
Metro UI Dock
del.icio.us, us, Mirror
RoyalBlue
640x640
del.icio.us, us
512x512
Music & multimedia
Smooth
Social + Tabs Color: Free
DarkSlateGray
40x40
Social media
Social Media Balloons
Delicious, Social, del.icio.us
128x128