I absolutely loved the way the background turned out on this canvas. I started out with the tissue paper technique as a base - spreading a layer of mod podge, then placing a layer of black tissue paper on top. Then smoosh. (very technical term) I just spread the paper and twisted it and turned it and bunched it... you have to work QUICKLY - mod podge sets up pretty fast on tissue paper.
Let it dry completely. Then I decided to try a mask and some glimmer mist. Eh. Didn't do much for me, but while the glimmer mist was still a bit damp, I dusted the canvas with copper Perfect Pearls. I took a balled up paper towel and just rubbed. And rubbed... until I got the effect I wanted. It almost looks metallic - and really dirty, grungy. Then I inked the edges with black Staz-On to give it a burnt look.