Before you post video on a very social networked site like youtube, please read the article below:

http://www.pbs.org/teachers/learning.now/2007/05/when_students_become_accidenta.html

And a couple of other things you may want to be aware of: legality issues concerning technology are often about one or two years apart. So the implications of what you do today may come back to bite you legally later. And you must ALWAYS consider the possibility of cyberbullying problems...especially when they relate to someone under-age.