Waterproof Photo Tiles I used some basic white ceramic tiles each) and I would lay down some midge podge and the picture and let that dry. I would suggest then spraying some of the stay dry spray paint to it.
Resin photo tiles I started out with a trip to Home Depot. These tiles were only 19 cents each! It doesn't get much cheaper than that! And I bought a package of 72 felt mounting circles for about Not too shabby!