Pinned to the top of the page is an article entitled, "Learn the bowfishing basics". It is written by well known author Jason R. Wesbrock.
It is a good place to start. Then come back here and ask any bowfishing questions you may still have. There is a wealth of experience to draw from.

A link to the article; http://www.huntingnet.com/forum/tm.aspx?m=1881478