PNG MORE
UI
Pixel
Windows 8 Pack (Metro Style)
Fog, night
DarkSlateGray
26x26
partly, night, Cloudy
PNG ICO ICNS MORE
Boolean
night, images, scene
DimGray
16x16
Gnome icons
weather, night, Clear
Silver
32x32
weather, Clouds, few
Tango
Clear, night, weather
Black
Moon, night