Ask, and ye shall receive...My first ever Tutorial. Let me know if the directions aren't clear enough!
Use the Double Rectangle punch to make two holes in the place where you would like your “bow”. Thread your ribbon through your holes so that both ends are at the back of your cardstock:
Now cross the ends over at the back again, and thread the tails through to the front of your cardstock. One tail:
Then the other tail:
At this stage, you can adjust your bow until you are happy with the lengths of the loops and tails. This is what your bow should look like at the back: