If you have a twitter account you can snag $5 in Amazon Video on Demand Credit  right now for FREE.
Most of their new movies are $3.99 to rent, so you can watch one new and one older movie.
If you have never used Amazon’s Video on Demand  service it is very easy. Here are some of the hot movies available right now:
Doctor Who 
Soul Surfer 
And many, many more!