http://www.mindmovies.com?a_aid=30105a9b (http://www.mindmovies.com?a_aid=30105a9b)
If you are familiar with treasure map technique, this is kind of same, but with video.
I really reccomend this. Instructions how to make video are really easy to understand, so even a person who isn't so good with computer and softwares can hande this.