displays an OpenStreetMap map

syntax 1 : {up osmap=latitude, longitude}
The latitude/longitude can be known on the site: getlatlon.yohman.com
The available tiles are here: wiki.openstreetmap.org/wiki/Tile_servers

syntax 2 : multimakers
{up osmap=latitude, longitude}
{marker=latitude, longitude | popup-text | popup-click=0 | marker-image=img | marker-options=...}
{/up osmap}