Hesitation devices.

http://www.youtube.com/watch?v=swZ3nJo1QaE&list=LPAmUnFcZcd2o&index=4&feature=plcp

Dos and don´ts of communication.

http://www.eslvideo.com/esl_video_quiz_intermediate.php?id=8014

Teachers´ routines

http://www.eslvideo.com/esl_video_quiz_low_intermediate.php?id=4832&pagenum=2

What can adults learn form kids.

http://www.eslvideo.com/esl_video_quiz_intermediate.php?id=4794&pagenum=2