how do i get the proper map for an address to display on the registration form

You can try any of our map widgets if you want to display the map of the addresses on your form: http://widgets.jotform.com/search/map

I would recommend you the Address Map Location widget: http://widgets.jotform.com/widget/show_map_location, let us know if you need more help, we will be glad to assist you.

http://www.jotform.com/help/252-How-to-Add-a-Widget-to-your-Form