Batman: 80th Anniversary Collection offers terrific value, as you're getting 18 animated Batman movies on Blu-ray for $2.50 each. That said, these are standard 1080p Blu-ray discs, not 4K UHD ...

It entirely depends on the user what kind of wallpaper he/she finds best for his/her PC. While some users like to add animated backgrounds, other users find adding video as a desktop background cool.