And here are the wallpapers, which I made, in their original format!
I like the third one, with the /e/ logo
If anyone is interested, mine look as follows:
I always thought a wallpaper should not be too “active” itself, you always need to find the icons on it. This one is indeed a part of my desktop screen wallpaper (which took me years to develop …)
The other one shows the Jupiter moon Europa which shines at night: