Where can I find all of Dr. Dave’s free online instructional videos?
They are all available in the Video menu.
If you just want to watch a sampling of popular Dr. Dave videos, click here: Dr. Dave’s Most Popular YouTube Videos
And here’s a good overview of all important pool techniques, shots, and strategies: Dr. Dave’s “Top 10 Important Things” Video Series
How can I easily find free online videos of pool and billiards instruction, matches, trick shots, and interviews?
The online video collection resource page has links to many free online videos in all categories.