Gnome online accounts fork that adds support for Flickr - this part of the equation should work now; see also http://www.burtonini.com/blog/computers/flickr-2012-01-18-17-45
This work is supported by the National Institutes of Health's National Center for Advancing Translational Sciences, Grant Number U24TR002306. This work is
solely the responsibility of the creators and does not necessarily represent the official views of the National Institutes of Health.