I got a little bored. Had a lot of fun making tons of different variations of the wallpaper. You can preferably check them out on my google drive: https://drive.google.com/drive/folders/1bxc9JIQKP8zUAowpmf9Egass8a54xM20
If you don’t want to use Google services, I also uploaded them on my own server, but be aware that it is painfully slow: http://mineclashtv.bplaced.net/downloads/Ubuntu%20Focal%20Fossa%20Custom%20Wallpapers/
I played around with many gradients and every variant is available in a minimal version without the mascot and with it (though I removed the “lasers” since most of us don’t like them) and included bright and dark versions. Hope you enjoy!
Here you can see the one which turned out best IMO:
