For those who complained about the hokey-ness of the library instruction video I linked to before, there's always this-- adding the perennially hokey but somehow popular theme of Zombies (why are zombies so popular? are they symbolic of something in the modern mind?)
http://www.youtube.com/watch?v=HUxp3E3YUdQ(Of course, if you think this one is hokey-ier than the usual zombie genre, shudder at the library publicity videos it competed with.
http://www.gale.com/librareo/ Or don't. They are definitely Not Cool Enough For You-- or probably anyone else. :)