A safe alternative for broadcasting your classroom. FIZZ provides technology, professional development, digital cameras, and support.
Be sure to check out the example school site at http://yourschool.onfizz.org.
"Wink is a Tutorial and Presentation creation software, primarily aimed at creating tutorials on how to use software. Using Wink you can capture screenshots, add explanations boxes, buttons, titles etc and generate a highly effective tutorial for your users."