If you use Android, it is very likely that your photos are being backed up to Google Photos. If you are not using Android, and have a Google Account you have option of uploading (storing your photos) at Google Photos. Go to photos.google.com …
Google Photos continues to improve (almost weekly) and one notable improvement is that it you can now play slideshows from and Google Photo Album.
Play slideshows from an album
You like crowding friends and family around your computer or TV to show them photos of last weekend’s adventure. You don’t like clicking 132 times to show them each photo.
Luckily for you, it’s now possible to play a slideshow from any album. Just open the album, click on a photo, and select Slideshow from the dropdown menu.