We also have a large crowdsourced collection of Django videos on Lanyrd (178 at the moment) - many of which have accompanying slides and notes:

http://lanyrd.com/topics/django/video/

We have similar collections of videos on other topics, for example:

http://lanyrd.com/topics/python/video/ (277 videos)

http://lanyrd.com/topics/ruby/video/ (161 videos)

http://lanyrd.com/topics/javascript/video/ (204 videos)

http://lanyrd.com/topics/ruby-on-rails/video/ (66 videos)

Or search through our full index of over 6,000 conference videos here:

http://lanyrd.com/video/