Answers to Your Smudging Questions: About.com's guide to smudging as a holistic health practice; includes links to smudging resources.
Eartharomas: Eartharomas produces smudge bundles tied with horse hair in the old way. Also sweetgrass braids, feather fans, charcoal discs and earthen bowls. Based in Kenilworth, Australia.
Sacred Smoke: Angel Spirit's information page on smudging with healing herbs.
Smudging: How To Do It -- How Not To Do It: A "how to" guide by Michelle Chihacou White Puma Klein-Hass.