Not sure if this still works (disclosure: I work with Commons Machinery) but we had a similar conversation regarding Flickr and some people on twitter found this useful: http://commonsmachinery.se/2014/02/copyrdf-addon-updates-oembed-site-rules/ 


On Thu, May 1, 2014 at 10:38 AM, Fæ <faewik@gmail.com> wrote:
On 1 May 2014 06:04, Fæ <faewik@gmail.com> wrote:
> 2. I use a bookmarklet to quickly find images that can be used on Commons:

Correction to bookmarklet:
javascript:(function(){if(%22%s%22.length==0){window.location=%22http://www.flickr.com/recent_activity.gne?days=1%22}else{window.location=%22http://www.flickr.com/search/?q=%s&l=commderiv&ss=2&ct=6&w=all%22}})()
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--
Noopur Raval
Student
Arts and Aesthetics
Jawaharlal Nehru University, New Delhi