Youtube user domanskiRPS has a great collection of Moodle tutorials for new users/teachers which might help clarify how to create forums, use assignments or embed videos. Check out the whole collection at http://www.youtube.com/user/domanskiRPS.
The videos all have crystal clear audio, are well organized and concise while covering the fundamentals of building your Moodle course from scratch.
Embedded below find the 4 minute Forum video [direct link: http://www.youtube.com/watch?v=Phvt52us8V4]
Check out the Moodle featured in the videos by visiting http://online.rutgersprep.org/.
