Windows 7 Logo — Green, Calm, Digital Art, Text, Blue

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Windows 7 Logo — Blue, Neutral, Digital Art, Text, White, Windows 7

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Ubuntu Logo on Screen

1366 × 768

Windows Vista login screen

1280 × 1024

Windows 7 login screen

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Windows 7 login screen

1920 × 1200

Windows 7 login screen

1920 × 1200

Windows Seven Logo — Blue, Serene, Digital Art, Text

1920 × 1200

Ubuntu Karmic Koala desktop

1280 × 800

Ubuntu Linux wallpaper

1600 × 1200

Ubuntu 11.04 logo on purple background

1280 × 1024

Ubuntu desktop background

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