I wish more OSes would work with independent photographers to compile a set of beautiful wallpapers. It used to feel easy to find good wallpaper online, but nowadays, especially with macOS's hiDPI settings and my personal desire for #000 true black wallpapers to hide notches and camera holes, it can feel very difficult. Search engines don't yield good results for 4k or 5k images, and a lot of the hi-res wallpaper subreddits have disappeared since their API debacle.
I source solid wallpapers from a couple of OSes for use in macOS:
I source solid wallpapers from a couple of OSes for use in macOS:
* https://stories.gregannandale.com/raspberry-pi-desktop-image...
* Ubuntu has some default hits (and misses): https://www.omgubuntu.co.uk/every-ubuntu-default-wallpaper
* Ubuntu hosts a wallpaper competition (most years) for photographers all over the world: https://ubuntu.com/blog/winners-of-the-21-10-wallpaper-compe...
* and here's a somewhat-outdated repo of wallpapers from a bunch of Linux distros: https://github.com/LinuxKits/Distro-wallpapers -- I'm especially fond of the Elementary OS images.