I thought I'd share this.  Haven't seen it mentioned on the listserv.
One of our teachers just turned me on to this iPad app.  You can also create an account online and create video tutorials on the laptop or desktop.

Create and share amazing video tutorials with the free Educreations iPad app:


Luis Bango

Technology Integration Teacher / VHS Site Coordinator
Woodstock Union High School
Woodstock, Vermont
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(802)457-1317 x198