Did you know that you can print maps on to rocks and pebbles?This is exactly what I did, printed maps of my favorite places on to smooth pebbles to use as personalized keychains. These would make great gifts. I actually used some pebble tablecloth weights, I already had for this project. But don't worry if you can't find any pebble tablecloth weights. You can just get normal pebbles and drill a hole in them. It's quite easy to drill a hole in a pebble with a Dremel rotary drill…