One idea, to keep enrollment persistant is to have classes that proceed through a given project.  Figuring out and understanding the individual parts of the app aren't all that difficult, but using them all together to accomplish a goal, understanding the full flow and proceeses to create an actual movie, now that'd be a valuable set of classes...

The online diary is by another person here is valuable, but reading and static images doesn't have the same appeal and retention that detaild videos or class room instruction can give...

About recording your classes personaly i dont know how to do it for sure. I dont think i can record for so long time. What i ment was that maybe you could. Then you could put it in store and vi simply could by the tutorials set by set.

You could reach a lot of customers world around that way. Reading the forum theres a lot of asking for looooong good tutorials. Somebody should make something like that i think. It just a suggestion of course.