puma, go to this tutorial here on the board ...
http://www.quiltingboard.com/tutoria...l-t140660.html I'm using still using the technique as described in this tutorial ... Derwent Intense Pencils on Fabric Tutorial. I know some people use a fabric medium found in Michaels instead of aloe gel.
quiltingshorttimer, you do not need to heat set this ink as it is permanent after air drying. The only reason for ironing might be to speed the drying process, but I wouldn't want to do it on top of quilted fabric.