That's excellent. Is there any kind of auto-import feature? Eg load the event tag photos from flickr?
It's pretty clear that the "paste in a URL" mechanism is much more approachable than we had thought, so I think we'll probably try and do something sensible with the Flickr URLs we are getting at the moment combined with the Flickr API.
Embed.ly actually supports Flickr URLs, but it returns weird Flash slideshow things that weren't really what we were after so we turned those off.