Ubuntu Logo and Penguin

1024 × 768

Ubuntu Karmic Koala desktop

1280 × 800

Ubuntu 11.04 logo on purple background

1280 × 1024

Ubuntu Logo on Screen — Orange

1920 × 1200

Windows 7 Logo — Black, Dramatic, Digital Art, Mountains

1280 × 1024

Windows 7 Logo — Green, Serene, Digital Art, Text, Yellow

1024 × 768

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

1024 × 768

Windows 7 Logo — Black, Minimalist, Digital Art, Text, White, Gray

1920 × 1080

Windows 7 Logo — Blue, Minimalist, Digital Art, Number Seven

1920 × 1200

Ubuntu desktop background

1366 × 768

Ubuntu desktop background

1280 × 800

Ubuntu Pangolin Logo — Orange

1366 × 768