Related to Linux vs Windows puzzle

Ninjas and Ubuntu Linux

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Windows logo 3D render

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Windows error screen

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Windows 9 concept wallpaper

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Ubuntu logo on blue background

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Natty Narwhal logo

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Ubuntu 11.04 Natty Narwhal

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Ubuntu 11.04 logo on green tiles

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Ubuntu 11.04 logo

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Ubuntu 11.04 logo

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Tux the penguin mascot

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Ubuntu logo sequence

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Tux the penguin mascot

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Ubuntu logo on gradient background

1280 × 1024

Ubuntu logo on dark background

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Ubuntu logo with green stripes

1280 × 1024

Kubuntu desktop background

1024 × 768

Ubuntu logo on brushed metal

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Ubuntu logo with dragon

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Ubuntu logo on black background

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Ubuntu logo on abstract background

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Kubuntu desktop background

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Ubuntu user graphic

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Ubuntu logo with flames

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