You can now customize your marker colors and shapes! Just check under Set Options -> Advanced Options. Here you can select the colors used for your markers (7 possible for free version, 10 for Pro) and select from one of 3 different marker shapes.
Additionally you can select from 5 new map style types to more closely match the style of your website and give your map a little extra pop.
View Super Bowl Team Rankings By Appearances in a full screen map