|Notice that this is an external service and not a program which you can download on your blackberry....
1. Go to the Youtube page on your BB.
2. Copy the link to the movie you want to watch.
3. visit the next external page on your blackberry: http://3gptogo.com/
4. In this page paste your video from Youtube and than click CONVERT
5. Than the page says "wait a few minutes and fresh page" so do this, refresh the page after a few minutes. You will now be able to see the youtube videos on your blackberry