Links...
www.beliefnet.com - A great resource for free information on mindulness as well as actual free audio with short guided meditations.
www.behavioraltech.com Marsha Linehan's website with resources about leading mindfulness groups and Dialectical Behavior Therapy.
www.imcw.org Tara Brach's Insight Meditation Center in Washington, DC contains helpful information about mindfulness.
www.plumvillage.org Thich Nhat Hanh's Plum Village in France. This site contains many of his teachings on line.