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

gtkpod-data is installed in your system.

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

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

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

gtkpod-data package basic information: