If you have not seen our YouTube channel, here it is:

http://www.youtube.com/user/asifrehmani

We try to post up at least one video per month over there. All free of course and your feedback on the videos is most welcomed. Subscribe to it if you would like to get alerted on the new videos we post up there. Here is the latest video posted there:

Exporting a reusable workflow to a different site collection.