// ==UserScript==
  // @name          Find Images
  // @namespace     http://www.dopiaza.org/flickr/greasemonkey/
  // @description   Find all images in a page
  // @include       http://www.flickr.com/*
  // @include       http://flickr.com/*
  // ==/UserScript==
  
  var imgElements = document.getElementsByTagName('img');
  
  for (var i = 0; i < imgElements.length; i++) 
  {
      var img = imgElements[i];
      
      var src = img.getAttribute('src');
  
      GM_log("Found Image: " + src);    
  }