The following websites host free map files in ESRI Shapefile format:
Natural Earth
http://www.naturalearthdata.com
U.S. Census Bureau
http://www.census.gov/geo/www/cob/bdy_files.html
Map Library
http://www.maplibrary.org/
MapCruzin
http://www.mapcruzin.com/download-free-arcgis-shapefiles.htm
OpenStreetMap Shapefiles
http://wiki.openstreetmap.org/wiki/Shapefiles
UN Second Administrative Level Boundaries
http://www.unsalb.org/
Centers for Disease Control and Prevention
http://wwwn.cdc.gov/epiinfo/script/shapefiles.aspx
Free Spatial Data as DIVA-GIS
http://www.diva-gis.org/Data
MindFusion Tutorials and Blog Posts on How to Use the Control:
