The UMapper plugin is a universal mapping platform that makes it a snap to create engaging maps and add them to your blog posts.
Microsoft Bing, Google Maps, Yahoo, OpenStreet and CloudMade are all supported by this truly universal plugin.
Home page of Umapper: http://www.umapper.com/
The latest from UMapper.com (@umapper). The easiest way to create, distribute, track, monetize online maps. See http://wwww.umapper.com for more info.
UMapper is a universal map authoring application, which allows users to create interactive maps and distribute them online. UMapper works with map providers such as OpenStreetMap, Microsoft Virtual Earth, Google and others.
The current version supports points, lines, polygons as well as geonames and Wikipedia search.
UMapper is built using proprietary mapping API UMap. Saved maps can be exported as KML or ActionScript 3.0.
UMapper map authoring application is available as a plugin for WordPress.