I think I choose the wrong type of fusible interfacing when I tried this technique yesterday. Decided to do this differently. I ran a piece of mulberry paper through a zyron sticker machine to make the back sticky.. Then inked the top with VersaMark ink.
Covered the inked paper with two colors of Opals embossing enamel and a small amount of Gold UTEE (another brand of embossing enamel).
Placed this between two sheets of parchment paper and heated with a hot dry iron until the embossing enamel melted. Let it cool before removing from parchment paper.