Hi
My name's droot and I make animated wallpapers. (Old name was Dreamscenes)
I will post in my Blog new animated wallpapers for everyone to download (made by me)
Animated Wallpapers are available for most OS'es these days for free
Windows 10 wallpapers available through app called Deskscapes :
Linux KDE Plasma animated wallpaper tutorial :
Mac OS animated wallpaper tutorial :
Many more goodies are going to be posted soon :)