First test - the Google API (v3?) - map.htm
Google API v3, using OpenStreetMap - osm.htm
OpenLayers test - ol.htm
OpenLayers test with boxes - test-boxes.htm
Mapnik, using OpenLayers - ol-mapnik.htm - adding the red.png (16x16) marker.
OVI (Nokia) map example ovi.htm (was Yahoo! Maps Web Services)
EOP - index.htm