Windows 7 desktop background

1440 × 900

Windows 7 startup screen

1920 × 1200

GNOME desktop logo on blue background

1024 × 768

Windows 7 desktop background

1920 × 1200

Windows Se7en desktop background

1280 × 800

Windows 7 desktop background

1920 × 1200

Ubuntu desktop background

1920 × 1200

Desktop Nexus logo on blue

1920 × 1200

Windows Logo on Blue Background — Minimalist, Digital Art, Blue Gradient

1920 × 1200

Windows HD Desktop logo

1920 × 1200

KDE Desktop Environment 3.4

1600 × 1200

Blue Water Droplets on Screen

2560 × 1440