Installing Gimp on Ubuntu, Kubuntu, Xubuntu, and Lubuntu
This shows how to install gimp using the ppa repository. Gimp is a great FREE photo editor.
Enter the below commands to install gimp:
sudo apt-add-repository ppa:otto-kesselgulasch/gimp
sudo apt-get update
sudo apt-get install gimp
Enter the "gimp" (without quotes) to run it.