Well, this was much more work than I had anticipated.
And now, of course, I find that my voice sounds weird, the rhythm seems off, etc. The way I’m supposed to feel about it, I guess.
Here is the quite undecipherable version. For a better, bigger, readable one: http://www.nextbbs.com/do_topic_id_1166
I will soon post on my newly acquired experience. If it saves you time just once -the first time you try creating your own screencast-, I will feel entitled to the warm feeling that comes from having helped somebody.