Link: Expanding the map markers in Google Fusion Tables via ONA
But what do you do if you have more than 10 things you want to represent on the map? What if you are mapping crimes in your city and have more than 10 crime types? Or what if you are mapping community resources and have more than 10 different types?
There are other markers than can be used; they’re just not well publicized. In fact, there are 218 different markers you can use on any Fusion Tables map. The following directions assume some basic knowledge of Google Fusion Tables.
The method outlined by Lucas Timmons -- using this table of available markers -- opens up so many new possibilities for your maps built with Fusion Tables. And best of all, it's really easy to pull of.