Another idea is to stencil around the mirror on the wall. You could use gold metallic paint and do some classic scroll designs that way. Or try a swag over the mirror, with dried or silk flowers. You could probably see the glue when the light was on. I don't want it to wash off.
Acrylic paint works well too, but fabric paint is a little softer.
Salt Dough from HGTV.Com Salt Dough from Mini Italy. Com Potpourri Pie from Crafters Community.