Ubuntu Linux Professional desktop

1280 × 1024

Ubuntu Linux desktop background

1440 × 900

Ubuntu Logo on Desktop

1280 × 1024

Ubuntu desktop background

1366 × 768

Ubuntu desktop background

1024 × 768

Ubuntu desktop background

1280 × 800

Ubuntu Karmic Koala desktop

1280 × 800

Ubuntu desktop background

1024 × 768

Ubuntu desktop background

1024 × 768

Ubuntu desktop background

1152 × 864

Linux desktop with package manager

1400 × 1050

Ubuntu desktop background

1024 × 768