Text EMAIL to 727-272. They will respond with a text asking for your email address. Once you have sent that, they will then email you a confirmation email that you click the link in to confirm. You have to subscribe to their newsletter but you can always unsubscribe later. Then of course you wait. I've done it twice so far but haven't received my code yet. Its supposed to be good for 2 weeks. I don't know about you, but I love getting to watch a movie for free first so I know whether I want to buy it or not. Let me know how it works for you!
Check out the movies available near you: http://www.redbox.com/