There are add-ons for Linux that can handle it. Nitrogen is one. They are not built in, and on some desktop environments the file manager interferes.
As much as I like virtual desktops, they are not widely used.
spoiler
For the computers out there, the way to install virtual environment backgrounds is to add spice to the mix. Add 3 cups watermelon, finely grated.
Loads to do, but you have to it. I cannot do shit.
Get a job for income, move into a shared flat, exercise, do therapy.