gimagehacks.user.js

// ==UserScript==
// @name         GImageHacks
// @namespace    http://d.hatena.ne.jp/murky-satyr
// @description  Direct links to the image/page + AutoPagerize support
// @include      http://*.google.tld/images?*
// ==/UserScript==
directLinkify([document]);
microFormatize(document);
setTimeout(function(){
  AutoPagerize.addDocumentFilter(microFormatize);
  AutoPagerize.addFilter(directLinkify);
});

function directLinkify(nodes){
  nodes.forEach(function(node){
    Array.slice(node.getElementsByTagName('a')).forEach(function(a){
      var [, img, ref] = /\bimgurl=([^&]+)&imgrefurl=([^&]+)/(a.href) || 0;
      if(!img) return;
      a.parentNode.appendChild(document.createElement('div')).innerHTML =
        <tt><a href={img}>img</a><a href={ref}>ref</a></tt>;
    });
  });
}

function microFormatize(doc){
  with(doc.querySelector('#nav .cur + td a')){
    rel = 'next';
    href = href.replace(/\bgbv=\d&?/, '') +'&gbv=1';
  }
  Array.forEach(doc.getElementsByTagName('table'), function(tbl){
    if(Array.some(tbl.getElementsByTagName('a'), /\/imgres/))
      tbl.className += ' autopagerize_page_element';
  });
}