Natural Dyes

Here's a couple of lists of natural dyes, and how they're used:

http://en.wikipedia.org/wiki/Natural_dye

http://www.georgeweil.com/fact_file/fibrecrafts_natural_dyes.aspx

http://www.countrylovers.co.uk/hort/plntdyes.htm

http://www.elaineduncan.com/natural-dye-days/

How To:

http://www.prairiefibers.com/Dyeing%20Techniques.htm

http://polycrafty.wordpress.com/2009/06/22/dye-day/