Multi photo slideshow software

You can use the command-line tool feh:

sudo apt-get install feh

To view all pictures randomly in, for example the ~/Pictures directory and all its subfolders, use the following command:

feh --recursive --randomize --auto-zoom --geometry 1600x1000 ~/Pictures

To view the pictures in their default geometry and in the order of the folder:

feh --recursive --auto-zoom ~/Pictures

You can find more information and keyboard shortcuts here.

Check Shotwell(comes Pre-Installed).

You can also try F-spot Photo Manager. Click to install

F-Spot is a full-featured personal photo management application for the GNOME desktop. It simplifies digital photography by providing intuitive tools to help you share, touch-up, find and organize your images. It allows for importing of your existing photo collections, tagging photos with identifiers, as well as doing simple edits of photos (e.g. rotating)

There is also gwenview.

Install it by : sudo apt-get install gwenview

Source

Source