Create a slideshow on Apple TV
You can view your shared photos and albums as a slideshow on Apple TV.
Create a slideshow and adjust slideshow settings
Open the Photos app on Apple TV, then swipe to the Shared category in the menu bar.
Note: If you don’t see the Shared category, go to Settings > Users and Accounts > iCloud and turn on Shared Albums.
Select an album or Photo Stream in My Albums, then select Play Slideshow.
Select to adjust any of the following settings:
Shuffle Photos: Turn on to show your photos in random order.
Repeat Photos: Turn on to play the slideshow continuously.
Theme: Select a slideshow theme to apply a different style to your slideshow.
Time Per Slide: Select how long to display each photo on the screen.
Transition: Select the transition effect used between photos.
Select Start Slideshow.