Today, April 30th only, Vudu is offering a FREE $2 Vudu Credit, and all you have to do is watch a FREE movie with ads from their Last Chance: Leaving 4/30 Selection. There are many movies to choose from and you can click here to see the complete list of titles.
Note that this offer requires a VUDU-enabled device and account for digital viewing. To be able to get the $2 credit, you must finish watching the whole movie before midnight PST and your chosen title must not be in your Purchased library. Once you meet these requirements, a code will be sent to your email by May 4th.