Developed by http://maps.amung.us/ the map is easy to set up and only requires a simple piece of code to cut and paste, we have a test map running below, you should be able to see your location if your reading this:
You can also customise the map so it produces a heat map of visitors (it will take a few hours after this post to see the results):
Take a look at http://maps.amung.us/ for more details.
