You can add ads to your map with the adsmanager (version >= 2.11a). It's possible to show ads and link them to your adsense account and specific channel. 
There are not many ads yet on the map (mostly USA).

{mosmap adsmanager='1'|maxads='15'}

Extra parameters:

maxads - maximum advertisements

adsense - your adsense id

channel - your channel of adsense

searchtext - for specific keywords to filter advertisements