at work, on my main desktop, I use a picture I took on vacation (of Scotland)
otherwise I have to use a lot of servers so I color code the desktops to remind myself of what systems it is or how critical it is. Using red or uncomfortable colors on systems that are critical keeps me from making mistakes on them.
At home on my laptop, I have been using the KDE OneStandsOut wallpaper for a few years https://invent.kde.org/plasma/plasma-workspace-wallpapers/-/blob/master/OneStandsOut/contents/screenshot.jpg?ref_type=heads
its simple and nice to look at for a few seconds when I am actually looking at the desktop loading after a reboot or something
That is truly AWESOME!
Thank you for sharing