I recommend Dashing Diva pedicures.

Since I wear sandals in the summer, I find myself always getting pedicures. I mainly use Dashing Diva products. They have great staying power, so they don't fall off. They stay firmly attached even when water gets in them during a shower. There is a wide variety of designs, and they aren't expensive. Changing up the designs is a nice way to lift my spirits. I get them for my mom once in a while, and she really likes it. I highly recommend it!