How can you watch TV / movies on a jailbroken iPhone?

4 I have an iPhone running on 4.0.1 ios, Is there an application in cydia / rock that allows me to watch TV or movies free? If yes, how do I do? Plse include all details such as source code, installing parts, etc. ..

If you already have a load of DVD movies, then you use programs use 3rd-DVD movies to iPhone 4.

Best Cydia sources all apps for free