How can I stop the constant new wallpapers shown on the Login Screen. I have enough already. Also, I suspect this is causing my pc to go into power saver mode even when the battery is not low and I...

Many Thanks, I could not follow the instructions but found some of them and made it work.

I like the new wallpapers that show up on the login screen but where are they? I would like to set them as my background for my desktop.