Today I checked out You Tube.  I was interested in finding out the value it served to classroom teachers.  The wealth of information that I found on a variety of subjects that I teach in my resource room was astounding.  For example, on the topic of planting, I was able to view actual lessons on how teachers would go about teaching this unit.  I wanted to know which seed grows quickly so that students can actually experiment and watch their plants thrive.  I had the same experience with lessons in phonemic awareness, reading comprehension, writing, and math.  This is definitely a Google tool that I plan on utilizing in the future.  Have you had any experience using You Tube while planning your lessons?