jQuery to extract old style Flickr embed image. Run in console by right clicking 'inspect element' then changing to the console tab, pasting the code in a and pressing enter. You need the bit that's returned in the format <a href=""><img src=""></a>

gistfile1.js

var imageSource = $('.main-photo').src;
var photoPage = window.location.href;

var htmlString = '<a href="' + photoPage + '"><img src="' + imageSource + '"></a>';

console.log(htmlString);