Ubuntu 10.04 login screen

1920 × 1200

Ubuntu Logo on Background — Orange, Warm

1680 × 1050

Ubuntu Logo on Dark Background — Digital Art

1024 × 768

Ubuntu Logo on Screen — Green

1920 × 1200

Windows 7 Login Screen — Blue, Minimalist

2560 × 1440

Ubuntu 11.04 desktop background

1280 × 1024

Ubuntu Logo on Purple — Serene

1680 × 1050

Ubuntu Logo on Gradient — Green, Calm

2560 × 1600

Ubuntu Logo on Gradient — Gray

1920 × 1200

Ubuntu Logo on Gradient — Blue, Calm, Minimalist

2560 × 1600

Windows 7 desktop background

1024 × 819

Ubuntu Logo on Dark Background — Neutral

1680 × 1050