Windows 7 default wallpaper

1920 × 1200

Blue Gradient Background — Serene, Abstract, Light Rays

1680 × 1050

Windows 7 abstract background

2560 × 1600

Windows 7 abstract background

1366 × 768

Windows 7 colorful background

1680 × 1050

Green and Blue Light Rays — Serene

10000 × 5626

Abstract Light Particles — Black, Serene

1920 × 1200

Windows 7 Login Screen — Blue

1024 × 768

Abstract Digital Tunnel — Black

1920 × 1200

Abstract Spiral Pattern — Black, Dynamic

1024 × 768

Abstract Fractal Lines — White

1600 × 1200

White Particles on Black

1440 × 900