Here are screenshots of the desktops I am currently running on each of my computers:
Desktop – SuperMario
Fedora 32 – KDE Plasma 5
2020:
Audio Activity 
Books Activity 
Comics Activity 
Comms Activity 
Main Activity 
Photography Activity 
Programming Activity 
Video Editing Activity 
Video Games Activity 
Videos Activity 
Virtualization Activity 
Web Activity
Raspberry Pi IOT Device – Scarlett Music
Raspberry Pi OS (Buster) – LXDE
2020
Laptop – Daisy
Fedora 31 KDE Plasma 5
2020
KVM VM – Lemmy Koopa
Windows 10
2016:
Living Room – BlueYoshi
Fedora – Gnome 3:
2015
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.