PinkFloydEffect
ArboristSite Guru
I found some old Smokey The Bear videos on youtube that are pretty neat:
http://www.youtube.com/watch?v=sk31IEw7oTY
http://www.youtube.com/watch?v=gIvFFa2qWeo
http://www.youtube.com/watch?v=pTdXYAp_L8M
http://www.youtube.com/watch?v=pjGIxYR3b04