Will these work in Zoom and will you need a green screen?
No green screen required. Just decent lighting and stable place your webcam.
For those who use Microsoft Teams, you can also add custom backgrounds to that via the following filename -
Save your image in there and then it'll appear in the Background effects on the app. It only works with images though and not video
*In the filename I've replaced the backslash with a dash as for some reason it won't show.
You do need a green screen for Zoom it seems. On Zoom, without a green screen it just changes the wall behind you. Your other objects in the room are still visible.
Have you washed your hands?