Chemical Structure Diagram — Purple, Scientific

1600 × 1000

Windows 7 Logo — Black, Dramatic, Digital Art, Text, Background

1440 × 900

DNA Double Helix — Blue, Dramatic, Digital Art, Holographic Interface

2560 × 1440

Windows 7 logo with colorful streaks

1920 × 1200

Windows 7 logo on modern building

1920 × 1200

Windows 7 logo with colorful bars

1920 × 1300

Windows 7 logo with fiery effect

1680 × 1050

Windows 7 logo on blue fractal

1920 × 1080

Three Stylized Character Heads

1024 × 768

Blue Floral Silhouette — Grungy

1680 × 1050

3d Number Seven — Orange, Dynamic

1600 × 1000

Skull with Apple Logo

800 × 600