My embedding of OpenLayers with the canonical three OSM layers plus dynamic markers is finally live at the 10th Annual Eastern Mass ARRL Field Day Directory. Thanks to local OSMer Lars
have a Mass TopOSM server linked as an alternative to CycleMap, a welcome gift since the commercial topo sites are no longer linkable.

See http://fd.ema.arrl.org/fd_dir.php
and http://fd.ema.arrl.org/SiteDetail.php?site=MiltGr

For a 'before' view compare the static map http://fd.ema.arrl.org/
and TIGER map http://fd.ema.arrl.org/ClubDetail.php?club=MVARG
(Or turn off JavaScript temporarily -- the new pages will revert when
script is blocked, unlike GoogleMaps on the ARRL HQ 2nd First Annual
Locator.)