Central and South America
http://www.sheppardsoftware.com/country_SoAmCA_G0_Click.html
http://www.sheppardsoftware.com/country_SoAmCA_G1_drag_drop.html
http://www.sheppardsoftware.com/country_SoAmCA_G3_Click.html
http://www.quia.com/cc/67887.html

Central America:
http://www.yourchildlearns.com/central_america_map.htm
http://www.lizardpoint.com/fun/geoquiz/centralamquiz.html
http://www.lizardpoint.com/fun/geoquiz/centralamcapquiz.html
http://www.ilike2learn.com/ilike2learn/Samerica.html
http://www.gilgordon.com/images/pics/map_samerica.gif