Create a photo screen saver on Apple TV
You can use shared photos or albums in the Photos app
as your Apple TV screen saver.
Open the Photos app
on Apple TV, then navigate to the Shared or Albums category in the menu bar.
Note: If you don’t see the Shared category, go to Settings > Users and Accounts > [default user account name] and turn on Shared Albums.
Select an album, then select Set as Screen Saver and confirm.
Open Settings
on Apple TV.
Go to General > Screen Saver > Type, then select My Photos.
Do either of the following:
To adjust other screen saver settings, see Use Apple TV screen savers.