WOW Amazon is on a roll right now with their promotional offers. Right now when you purchase select items on Amazon you will get an email with a promotional offer for a free download of the awesome movie Kung Fu Panda in HD. This is for a digital copy only.
To see a full list of eligible products you can go here.
I purchased Seventh Generation products that triggered the free Kung Fu Panda download. You can get 50% off select Seventh Generation household products, diapers, and wipes. My post with the promotional codes and details is here