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Desktop apps
Smooth
3D SoftwareFX
Thunderbird
DarkCyan
256x256
Mixed
Perqui
DodgerBlue
48x48
170 dock icons
Black
48px icons
Music & multimedia
Black Beauty
mozilla, Thunderbird
iSuite Revoked
512x512
3D Cartoons III
Thunderbird, mozilla
128x128
Computer & hardware
Crystal Project
Carpelinx
DarkGray
Orange, Thunderbird
KDE Crystal Diamond
Gainsboro
22x22
Lavender
16x16