At first.. the live lessons are a really good idea ;)
It's only on thing you could make better :P
I watched the lesson about the Containers and i noticed that "aaahhhhhhh" and "eeeehhhmmm" are used very often..
because of this i suggest you to prepare your speech before you begin with the vid.
Maybe the watchers will understand more at the first watch ;)
sorry for my terrible englisch :D
no offense meant ;)