Apple logo on dark blue

1920 × 1200

Dell logo on dark background

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Alien head logo with blue glow

1366 × 768

Alien head logo with blue glow

1900 × 1200

Alien head logo on black

1920 × 1200

Ubuntu logo on fiery background

800 × 719

Ubuntu logo in glass design

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Ubuntu logo on green background

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Ubuntu logo on sunrise background

1024 × 768

Ubuntu logo in glass design

1600 × 1200

Ubuntu logo in glass design

1600 × 1200

blue logo on dark grid

1920 × 1080