Brak wants to change his display picture, how do I get my display picture to stay?

I keep trying to put a new picture from 360 onto my display.

When I change it, it goes back to showing my other picture.

Why can't I put a new picture up and it will stay there?Brak wants to change his display picture, how do I get my display picture to stay?
They don't work properly for me either.

I suggest you don't mess with it for a while. It's very delaying.