Cut out the butterfly and added some cut red pieces of fantasy film and some angelina fibers (which are shredded fantasy film bits).
Covered with another sheet of light fantasy film.
Heat set on, cut out the butterfly shape. View from one side:
View from the other side:
I made another fantasy film butterfly using the same stamp, but choosing a two darker sheets of fantasy film. I left the heat on for quite awhile and got this lovely color variations: