Update (2018): Fotonauts is long gone, note of the links to fotonauts below work anymore.

Fotonauts (still in private beta for more information see here) has just made their widget functionality public. I really like these widgets and especially the way they are handling the Attribution and license information (which of course is much more relevant on collaborative albums like this one from the isummit). Here is a widget with the pictures from the Keirin race that i saw in august as a fotonauts widget: