Optimus Prime Robot — Red, Heroic

1600 × 1000

Yellow Robot with Weapon — Gold

1600 × 1200

Robot Head Overlooking City

1280 × 1024

Blue Robot Character — Dynamic, Digital Art, Text

1280 × 960

Anime Character with Long Hair — Blue, Dramatic, Long White Hair

1280 × 1024

Optimus Prime Robot — Blue, Dramatic, Night, Digital Art, Spark

1600 × 1200

Three Robot Characters — Gray

1920 × 1080

Two Robot Heads Facing

1920 × 1200

Gundam Mechs in City — Gray

1920 × 1080

Robot Character — Black, Dramatic, Digital Art

1920 × 1080

Ratchet and Clank — Orange

1000 × 700

Woman with Robot Companion — Blue

1024 × 768