Ubuntu Logo on Dark Background — Minimalist

1680 × 1050

Windows 7 Logo — Blue, Serene, Digital Art, Text, White, Windows Seven

1920 × 1200

Windows 8 Logo — Blue, Serene, Digital Art, Blue Background

1920 × 1080

Ubuntu Login Screen

1920 × 1200

Ubuntu 10.04 login screen

1920 × 1200

Ubuntu Logo on Gray — Minimalist

1600 × 1200

Ubuntu Logo — Black, Minimalist

1920 × 1200

Windows 7 Logo — Purple, Minimalist, Digital Art, Text, Pink

1920 × 1200

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

1920 × 1200

Windows 7 Logo — Red, Minimalist, Digital Art, Text, Maroon

1920 × 1200

Windows 7 Logo — Gray, Text

1920 × 1200

Windows 7 Logo — Teal

900 × 720