Quick tip: if you're on Ps4 and want a cool wallpaper, go to the communitys tab and search for example "Star Wars Wallpapers", screenshot the ones you like and then just set
Wallpaper for PS4 | Ps4, Wallpaper, Ps4 background
23 beautiful images to help you get started with custom PS4 wallpapers – PlayStation.Blog
How to Make a COOL PS4 BACKGROUND! (EASY METHOD) - YouTube