With the release of our Online Mosaic Tool, we gave the users a sizable amount of power when creating their own photo mosaics. But as we all know: with great power comes great responsibility! True photo mosaic design isn’t something that just happens. It requires plenty of practice and a keen attention to detail. Throughout the years, we’ve seen a number of mosaic shortcuts that result in cheap, false photo mosaics. A number of factors go into the process of creating a mosaic, but I’m going to focus on the top three DON’Ts of photo mosaic design.