I have my "lock screen" set to a picture I have chosen. I have turned on "Show lock screen background picture on the sign-in screen". When I lock, the lock screen picture I have chosen is displayed. However, when I log out and latter log in again, some other picture is displayed; one of the "default" pictures, not the custom picture I have selected as my lock screen.
How do I make the lock screen and sign on screen picture the same - I have already selected "Show lock screen background picture on the sign-in screen" and it does not work.