$ sudo apt-get update
$ sudo apt-get install ffdiaporama-data 

ffdiaporama-data is installed in your system.

Make ensure the ffdiaporama-data package were installed using the commands given below,

$ sudo dpkg-query -l | grep ffdiaporama-data *

You will get with ffdiaporama-data package name, version, architecture and description in a table

ffdiaporama-data package basic information: