According to debgen.simplylinux.ch, it generates a sources.list file for you. So, in a terminal, run:
Code:
sudo cp /etc/apt/sources.list /etc/apt/sources.list.old
sudo nano /etc/apt/sources.list
Now copy whatever is in the above box to the end of the file and save (Ctrl+X, Y, Enter). After that, run the command in the bottom box (if there is one). Now finish off with a "sudo apt-get update" (without the quotes) in a terminal. Now you're done! You can install any of the applications in those repositories.