To gain an understanding of Basic Buddhist Philosophy, Khenpo Pem Tsheri Sherpa taught a series of 3 classes that provide an introduction to Buddhism from (1) the teachings of Shakyamuni Buddha, to (2) the Vajrayana practices that bring your realization to fruition swiftly, to (3) the role of the activity of the Dakini (female wisdom beings) in showing your true nature clearly. You can watch them here:

The Basics of Buddhist Thought, part 1

The Basics of Buddhist Thought, part 2

The Basics of Buddhist Thought, part 3