Here are some examples of how to tie and the results I got. As usual, your mileage may vary.
I scrunched this up loosely with my fingers and then tied it with five strings. The purple color flowed nicely out of the string and the tightly bound areas stayed light.
Come back Friday for more tips and disasters with string dyeing and don't forget to comment on my personal blog for a chance on a bundle of guar-on-teed bleeding string.