Many video tutorials at this site for specialty aspects of Kurzweil and other programs including Dragon Naturally Speaking, Inspiration, Moodle, Powerpoint.
Wow. Tauscher blogs about Dragon and other AT software/hardware but her latest post is everything you ever wanted to know about using JAWS with a variety of social networking applications. Not for the faint-hearted.
Allows you to drag videos from youtube to mix them together. Would be a great way to collect a series of videos on the same topic or collect your students' work in one location.