Check out http://icfvod.sportstec.tv/ for the International Canoe Federation on-demand video from the 2009 Slalom World Champs in La Seu d'Urgell.
A series of video reports on the 2009 Slalom World Championships can be found on youtube. Go to http://www.youtube.com/watch?v=5V5NoJaVbFw for the first one.