Author Jonathan Haidt provides a concise summary of each chapter.
TED Talk: 7 Rules for Making More Happiness, Stefan Sagmeister 2010 (9:18)
Haidt says several of the major points from Ch. 5 are illustrated by this designer in a visually brilliant way in this talk on happiness.
Big Think: The Most Powerful Source of Happiness (3:35)
Haidt explains why relationships are the most powerful source of happiness.