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Silk
Penguin, tux
DarkSlateGray
16x16
Buuf
worried, tux, look
128x128
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Computer & hardware
Smooth
System Flat Buttons
Penguin, Os, linux
512x512
Gaming & gambling
Photorealistic
48x48 Free Object Icons
smoking, butterfly, evening dress
48x48
Mixed
Absolute 32
tux
32x32
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Crysigns
tux, by, crysigns
850x1100
UI
Pixel
tux, Penguin