I was just doing some research before putting up our bat-house and found this great site. There is a video of one of the founders of the "Organization for Bat Conservation" on the Conan O'Brien Show and the clip is very funny. Just thought I'd share...
http://www.batconservation.org/content/Specialbatappearances.html
http://www.batconservation.org/content/Specialbatappearances.html