Pic only, no tute or original link, but I love this idea of a sea shell clock on a large piece of driftwood. Maybe even do a different version with other natural elements for elsewhere in the home, like wood and stone.
Use your printer to put black and white line drawings or photos onto thrifted maps and dictionary/encyclopedia pages! Dishfunctional Designs: How To Upcycle Thrift Shop Finds Into Trendy Home Decor: Part Two! Printing directly onto old map.