Ubuntu logo on textured background

1600 × 1200

Ubuntu logo on dark background

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Ubuntu logo on dark background

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Ubuntu logo with light effects

1920 × 1200

Ubuntu logo on red blocks

1366 × 768

Ubuntu logo on dark background

1280 × 800

Ubuntu logo over water

1600 × 1200

Ubuntu logo in space

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Windows 7 logo

2880 × 900

Windows logo on black background

1024 × 768

Mac OS X logo

1024 × 768

Mac OS X logo

1024 × 768

Debian logo on metallic background

1024 × 768

Windows 8 logo

2560 × 1600

Windows 7 logo art

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Windows logo on gradient background

1920 × 1080

Windows 7 logo on purple

1920 × 1080

Windows 7 logo on black

1920 × 1080

Windows 7 logo with glowing lights

2560 × 1600

Windows 7 startup screen

1024 × 768