Here are screenshots of the desktops I am currently running on each of my computers:
Desktop – SuperMario
Fedora 32 – KDE Plasma 5
2020:
Supmario Audio Activity_20201025 
Supermario Books Activity_20201025 
Supermario Comics Activity_20201025 
Supermario Comms Activity_20201025 
Supermario Main Activity_20201025 
Supermario Photos Activity_20201025 
Supermario Programming Activity_20201025 
Supermario Videos Activity_20201025 
Supermario Video Editing Activity_20201025 
Supermario Video Games Activity_20201025 
Supermario Virtual Machines Activity 
Supermario Web Activity_20201025
Raspberry Pi IOT Device – Scarlett Music
Raspberry Pi OS (Buster) – LXDE
2020
Laptop – Daisy
Fedora 31 KDE Plasma 5
2020
Laptop (netbook) – Kuribo
Debian 10 – qtile
2020
Laptop (netbook) – babymario
Debian 10 – LXDE
2020
Laptop – Koopa-Troopa
Debian 9 – LXDE
2020:
KVM VM – Lemmy Koopa
Windows 10
2016:
Living Room – BlueYoshi
Fedora Silverblue – Gnome 3:
2020
Desktop – Bowser
Windows 10:
2015
Very brilliant desktop. How do you set different objects and wallpaper in KDE 5 virtual desktops ?
Each virtual desktop needs to have the same desktops/backgrounds. But each activity can have different settings.