Webinaria www.webinaria.com/ is a screen recording tool. I am venturing out into screen recordings- and I like the cost of this - free. (although I might upgrade to paid version to get embeddable code)
http://windowseat.ca/viscosity/create.php is a mesmerizing look at color and form.
Ideas- webinaria. Demonstrate any computer tool via screen casts
Viscosity - use in art class to demonstrate color and shape. Use in religion , social studies as a metaphor of forces acting upon us and our communities.