The left map has a list of zoom locations below it.

A basic overview map can be defined by including "overview" in the controls parameter. The overview is opened by clicking the (+) button at the right side of the map. The overview map moves and interacts with the main map. See also the OpenLayers example at http://openlayers.org/dev/examples/overviewmap.html and the documentation at http://trac.openlayers.org/wiki/Control/OverviewMap.

[map layers="1" 1="wms|http://labs.metacarta.com/wms/vmap0|OpenLayers WMS|basic" controls="overview" maxextent="-180,-90,180,90" projection="EPSG:4326" /]