flickr fotos: %%""<img src="http://flickr.com/...">""%%
google calendar: %%{{googlecal url="<iframe src="http://www.google.com/calendar/embed?src=..."}}%%
google maps: %%{{googlemaps url="http://maps.google.com/maps..."}}%%
youtube videos: %%{{youtube url="http://www.youtube.com/watch?v=..."}}%%

soundplayer:
file storage: