Smudging: How To Do It -- How Not To Do It 
A "how to" guide by Michelle Chihacou White Puma Klein-Hass.
http://www.sacred-texts.com/bos/bos054.htmSacred Smoke 
Angel Spirit's information page on smudging with healing herbs.
http://members.aol.com/rnboangel/smoke/sacred.htm
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.
http://www.eartharomas.com.au/
Answers to Your Smudging Questions 
About.com's guide to smudging as a holistic health practice; includes links to smudging resources.
http://healing.about.com/library/weekly/aa000519a.htm