I wrote a guide how to preview ANIMATED backgrounds on YOUR profile! : r/ Steam

Find game which a Steam profile background is from? - Arqade

Steam Profile Assistant

Live2DViewerEX on Steam

Retro style illustration of a vintage steam engine train or locomotive going towards the viewer with sunburst in background on isolated background Stock Vector Image & Art - Alamy

DepthViewer on Steam

Grey alien extraterrestrial in dark black room, looking at viewer

Buy Steam ID Viewer - Microsoft Store en-ET

PSA: You can see a full preview of the new game profiles with your profile. : r/Steam

SMOKE and STEAM Digital Overlays with Photoshop Brushes – ATP Textures

Susanoo Stream Package – StreamSpell