http://civicactions.com/blog/2009/jun/10/drush_20_released_screencast_1_...
Drush 2.0 released - Screencast 1: Installing Drush and getting started
http://civicactions.com/blog/2009/jun/16/drush_screencast_tutorial_2_usi...
Drush screencast tutorial 2: Using the drush dl and info commands