SivaSakti.com - In-depth Yoga Resource: Contains techniques and information on Hatha Yoga, Asana, Tantra, Yantra and Karma Yoga.
Tao Sexual Yoga: A look at Chinese (mostly Taoist) beliefs and practices regarding sex.
The Tao - Learn of True Intimacy: An engaging look at Taoism and how it relates love.
The Tao of Love, Passion, and Sex: Text of a lesson from a zen center in Sydney. Interesting text only file.