This is a list of Free Software videos. Some of these are general in their scope and some discuss specific aspects. These videos can be useful for 'training' people in effective advocacy. They are also a useful tool in themselves. You can share these links with people to explain in an entertaining way why Free Software is important.
Karsten Gerloff
Power and Freedom at the TEDx event in Eutropolis (requires bittorrent).
Shane Coughlan
"The Professionalization of Free Software": In September 2008 Shane discussed the future and the professonalization of Free Software with the Viennese Fellows of the FSFE.
Shane Coughlan at CeBIT 2009: The strategic implementation of Free Software in business
Matthias Kirschner, FSFE Germany Coordinator
One video of Matthias Kirschner (in German) from the sustainable-it conference. The slides used in the speech are attached.
Show des Freien Wissens Matthias in the TV show. Explaining Free Software while cooking pesto.
Richard Stallman, FSF
Richard Stallman: A Free Digital Society (Paris, October 2011)
Richard Stallman at Thessaloniki 2010: Free Software in Ethics and in Practice.
The links section of the Wikipedia article on Richard Stallman
Georg Greve, former FSFE president
GNU
Miscellaneous