1. The "I just browse the web" desktop.
2. The "I have the bare essentials because I know how a Start Menu works" desktop.
3. The "What do you mean you don't have to save to the desktop?!?!?" desktop.
4. The "I cleaned up my desktop but don't know about auto-arrange" desktop.
5. The "Icons on the left are so mainstream" desktop.
6. The "I'm #teamwindows because I can't afford a Mac" desktop.
7. The "Each corner is for a different file type" desktop.
8. The "Oh wow I found out about widgets on a tech forum" desktop.
9. The "My computer can't run the latest OS, but I'll trick people into thinking I'm running it" desktop.
10. The "People need to think my Mac is the biggest one in screenshots so I look rich" desktop.
11. The "was waiting for the internet to reconnect" desktop.
EDIT:
12. The "my desktop looks to amazing to have icons" desktop.
This last one is actually a picture of my desktop, lmao.