The tool posts the pictures to Wikimedia Commons, logging in there is required for file upload (hello I'm Jessamyn the Community Manager at the Flickr Foundation - please try this tool out and let us know what you think). It was created in partnership with the Wikimedia Foundation.
Project page on Wikimedia Commons: https://commons.wikimedia.org/wiki/Commons:Flickypedia Feedback collection here: https://commons.wikimedia.org/wiki/Commons_talk:Flickypedia