I think it would be a great service to your customers if you did a screen capture where you did training on how to create and manipulate scripts.
You could record the session via Camtasia (or similar) and have it available for download for future admins. A lot of companies are providing training that way, with today's broadband it is no big deal to download a 500MB file.
I would also like to see how to insert customer Asterisk code, i.e. to be able to have park buttons on the Snom phones. How can we write extension logic without it being over-written or conflicting.