Tern Mosaic This design is from the book 50 Mosaic Murals by Teresa Mills. It's 25 x 21 1/2 inches on MDF with vitreous glass. I'm pleased with it except for the trouble I had putting it on the wall. I had intended to put tiles over the screws, but the color didn't match since the tiles look darker once the glue dries. I decided to just grout over the screws. I don't like how it looks, but I couldn't think what else to do. I had a hard time taking a picture of this, t...