We have just published a new version of InfoMap for DNN4/ASP.NET 2.0.
InfoMap DotNetNuke module can be used to display information on a picture dynamically. It's main intention is to position users contact lists on a map but you can use to display any kind of information you imagine. InfoMap presents a clickable map with 'hot' areas where some information has been entered. Upon clicking in any given area, the list of contacts for this area is displayed.
You can display any picture you want, so the map you use is up to you. The image that marks hot areas in the map is also configurable. The contact list appearance can also be controlled by the module stylesheet.

You can download a trial version and the User Guide from this page. The trial version includes the same features as the released version but will display a watermark text and icon on top of every displayed image. Apart from this, it's the same version.