Unrelated but helpful info:

In the same way that churches would be interested in Google's free Calendar service, they also should be interested in Google's free Map service, and my latest Tech Talk article on my blog shows church webmasters How-To: Put Your Church on a Google Map & Embed that Map in Your Church Website

Of note: Even churches whose address is not available in the normal search process on mapping sites (i.e. rural addresses, like ours, Rural Route 3, Box 303c) can use latitude and longitude instead, and any church, even a megachurch, would not mind to see a custom-made marker on their custom-made Google map, embedded into their own site, with a custom-made info-balloon popping up when someone clicks that custom marker.

Check it out in action at http://cac.us.com/map/gmap.asp#Map-Directions