If you are a PC gamer, Wallpaper Engine on Steam supports dynamic wallpapers. Search for the tag "Ultrawide Cut" or "Taskbar Friendly." Users have uploaded thousands of animated 1920x515 scenes (flowing water, falling snow, moving auroras).
or for secondary hardware monitoring displays. Because this "ultra-narrow" aspect ratio is non-standard, finding premade text-based wallpapers requires looking in specific community hubs or creating your own. Top Sources for 1920x515 Text Wallpapers 1920x515 wallpaper
The most common use is displaying real-time hardware stats (CPU/GPU temps, clock speeds) using Aesthetic Internal Displays: If you are a PC gamer, Wallpaper Engine