Hi mama...-I use Retayne. This is where I buy it:
http://www.dharmatrading.com/html/eng/1981-AA.shtml. Depending on the situation, can't wash the quilt, I will use a textile medium like this:
http://www.amazon.com/Plaid-Delta-8-.../dp/B000XZTD28. It maintains the hand of the fabric while setting the colors. I use this even when I add pencil colors or gel colors to my appliqués. Hope these work in the future.