Cork Baseboards - Glue corks side by side onto a base of 1/4-inch MDF and cut along the long ends with a saw to an even height. Attach strips of 3/4-inch molding to the top and bottom, and nail the strip of corks to the base of your walls.
Cork coasters on slate. This one on Etsy. But - you could make these. Cut corks in half, glue them to piece of tile/slate. Felt on the bottom keeps them fr scratching surfaces. Cool! Hmm, that Christmas tree idea might take a back seat to this one! Just gotta drink a wee bit more . . .
Cut Corks Easily: 1.Fill a saucepan with ~2" of water. 2. Add strainer/sifter to pan. Make sure the water does not touch the strainer/sifter. 3. Add corks to shifter. Cover. Boil water for 3-5 minutes. Corks will slice very thinly without crumbling.