I’m posting a link to videos of presentations on Clojure by its creator, Rich Hickey: http://clojure.blip.tv/#1319826
Most of these are Hickey’s slides over audio of Hickey and the audience, although at least one gives you a look at the man himself. Videos are 60-90 minutes, and some presentations span two videos (!) So far, all the ones I’ve seen are good quality.
Topics covered include Clojure for Lispers, Clojure for Java Programmers, Clojure data strutures, and concurrency in Clojure.