Here’s a short, concise and accurate video on assigning roles as the editing teacher or site Administrator on a Moodle site by Edutechnorevolution.  Check out the other 7 videos they have about Moodle admin functions (deleting, reseting, etc.) as well, http://www.youtube.com/user/edutechnorevolution

Here’s a direct link to the video:  http://www.youtube.com/watch?v=K1G5R13iqUU

Related posts:

1. Moodle Tool Guide for Teachers by @catspyjamasnz (great quick reference for new Moodlers)
2. @moodletuts Quick Tutorial of Creating a Course and Course Content
3. Moodle in Humanities – Classroom Activities and Examples (in video) by @Moodlefairy
4. Using the Reset option video @moodlerific
5. 4 part video preview of #Moodle2 by @Moodler