Ubuntu Karmic Koala desktop

1280 × 800

Ubuntu Linux wallpaper

1600 × 1200

Ubuntu desktop background

1366 × 768

Ubuntu desktop background

1152 × 864

Ubuntu desktop background

1024 × 768

Ubuntu Logo on Brown Background — Calm

1887 × 1510

Ubuntu Logo on Dark Background — Black, Minimalist

1920 × 1200

Linux desktop with package manager

1400 × 1050

Ubuntu Linux desktop background

1440 × 900

Ubuntu desktop background

1366 × 768

Ubuntu Linux Professional desktop

1280 × 1024

Ubuntu desktop background

1920 × 1200