Second Language Learning and Language Teaching - YouTube
Meaning of Language http://www.youtube.com/watch?v=bCglGihT_Cc&feature=relmfu
Vivian Cook
Multicompetence and SLA
http://www.youtube.com/watch?v=LF7zmsqtIUQ&noredirect=1
The Second Language (L2) user
http://www.youtube.com/watch?v=22b4o8N9ta0&feature=relmfu
And you must see this video http://www.youtube.com/watch?v=jZu3NJ3tGrc&feature=channel&list=UL
