Ubuntu Logo in Glass — White

1600 × 1200

Red Letter O — Neutral

2560 × 1920

Green and White Ring

1024 × 600

Red Letter O — Modern

1600 × 1000

Colorful Piano Keys — Blue, Playful, 3d Render

1200 × 900

Red Letter O — Dramatic

1920 × 1200

Windows Logo Design — Red, Dramatic

1280 × 1024

Opera logo on mesh background

1920 × 1200

Blue Geometric Tunnel — Dark, 3d Render, Blocks

1920 × 1200

3d Logo on Carbon Fiber — Black

1200 × 900

Windows Logo on Blue Background — Minimalist, Digital Art, Crumpled Paper

1920 × 1200

Opera Browser Logo — Red, Minimalist

1600 × 1000