LEGO Mindstorms NXT: A Brief Introduction & Tutorial Part 2

This is part 2 of a brief introduction and tutorial to LEGO Mindstorms NXT. Topics discussed are (3) programming an NXT robot and (4) testing an NXT robot.
See part 1 for a look at (1) what is included with the NXT robotics kit and (2) how to build a simple NXT robot.
• LEGO Mindstorms NXT: A...
This was my topic of choice when given an instructional video assignment in one of my college courses.
UPDATE: Added captions on Nov 20, 2009.