I made an aesthetic Green Hill Zone wallpaper, using footage from the movie : r/SonicTheHedgehog

Sonic the Hedgehog (Genesis) - Green Hill Zone (Remix)

Enhanced Green Hill Zone [Sonic Mania] [Works In Progress]

Green hill zone background by sonicmechaomega999 on DeviantArt

Green hill zone background by sonicmechaomega999 on DeviantArt

Green Hill Zone (Sonic Jump) (2012), Sonic Wiki Zone

Steam Workshop::Green Hill Zone (Sonic Generations) - Scenery

Custom / Edited - Sonic the Hedgehog Customs - Green Hill Zone Background (Modern, Genesis-Style) - The Spriters Resource

Sonic Generations - Green Hill Zone Forces

The Leaf Forest Zone - Sonic Advance backgrounds

Comm: Green Hill Zone RPG Background by sergeant16bit on DeviantArt