Bing Maps for SharePoint
Want a solution that can deploy a Bing Maps webpart, install a custom field for Lat/Long with a great map picker control, and display any lists that have content in the custom coordinate field on the map?
Here is the CodePlex project:
Here is where you must go to get a Bing Maps Key:
I created a developer key and had to establish a domain name with it, but using the correct domain didn't matter for the solution to work. This key is referenced in the web.config and twice in the control template.
I would edit the text in the control template. I used an explanation like this:
Hover over grey stripe to utilize menu or navigate in map window below to select location.
This text is displayed on the edit form above the user control for picking a location on the map.