I started uploading UHD wallpapers to https://iks.neocities.org/wallpapers/index.html
The first one is a bunch of floppies. I have some other angles of these, which I'll also upload.
Currently released as CC BY-NC-SA, which I guess is fine…
I added three more wallpapers of floppies.
This instance was shut down on March 31st, 2020.