I used Wet N Wild's Black Creme as my base (imo the best black you can find, especially for the price), and I used Wet N Wild's White. I wanted to maintain the integrity of the brush stroke, and decided not to clean up the white spots. I also used Essie's Matte About You as my top coat. I find matte black and white tends to have more pow to it. What is everyone's favorite black and white polishes?