Ubuntu Logo on Dark Background — Gray

1680 × 1050

Ubuntu Logo on Textured Background — Black

1024 × 768

Ubuntu logo on yellow background

1920 × 1080

Ubuntu logo on purple background

1920 × 1080

Ubuntu logo on wood

1680 × 1050

Ubuntu logo on wood

1440 × 900

Windows 7 Logo — Blue, Modern, Digital Art

1920 × 1080

Windows 7 logo on dark background

2560 × 1600

Windows Vista logo on blue background

1024 × 768

Windows 7 logo on pink background

1920 × 1200

Windows 7 logo on dark background

1920 × 1200

Linux logo on blue background

1920 × 1440