Tux the penguin on blue background

1440 × 900

Tux the Penguin — Blue, Calm, Digital Art

1024 × 768

Tux penguin on dark background

1280 × 1024

Tux the penguin on blue background

1024 × 768

Tux the Penguin — Black, Minimalist, Digital Art, Text

1280 × 1024

Ubuntu Logo on Dark Background — Black, Dramatic, Digital Art

1024 × 640

Windows Logo on Blue Background — Serene, Digital Art, Light Rays, Particles

1600 × 900

Linux Logo on Blue

1600 × 900

Windows 7 Ultimate Logo — Blue, Serene

1600 × 1000

Islamic Calligraphy Card — Blue

1024 × 768

Blue Water Bottles

1600 × 1200

Three Glass-like Shapes — Blue

2560 × 1440