At LISA 2008, I gave a presentation entitled "How to Stop Hating MySQL: Fixing Common Mistakes and Myths".
The presentation slides can be downloaded as a PDF at:
View the video online at http://www.youtube.com/watch?v=DylLYQlzuKo (or watch it at the bottom of this page).
Here are some notes and links I referred to:
Technocation, Inc containing free videos, a MySQL podcast (currently on hiatus) and blog posts about MySQL.