Make a small hole in the pendant using a bead reamer. You'll have to go through the transfer paper so be careful no to tear it. Cover in a thin layer of Sculpey Transfer liquid to protect the image and bake in the oven for half an hour on a medium/low heat.
Once this is set and cooled cover the pendant again in Lisa Pavelka Magic-glos. You can create quite a thick layer without the gloss seeping over the edge so don't be afraid to go for it. Just be careful not to cover the hole you made earlier. Remove any air bubbles that might have appeared with a cocktail stick and prepare the UV lamp.
Make sure you read the instruction and use the lamp carefully. When the magic-glos is set you're ready to fit on a jump ring and chain!