eccovi anche lo script per greasemonkey/greasekit :)
--8<---8<---
// ==UserScript==
// @name Farfalla
// @namespace userscripts.org
// @description Injects Farfalla helper
// @version 0.1
// @include *
// ==/UserScript==
var headID = document.getElementsByTagName("head")[0];
var farfallaCss = document.createElement('link');
var jqueryScript = document.createElement('script');
var farfallaScript = document.createElement('script');
farfallaCss.type = 'text/css';
farfallaCss.rel = 'stylesheet';
farfallaCss.href = 'http://www.farfalla-project.org/farfalla.css';
jqueryScript.type = 'text/javascript';
jqueryScript.src = 'http://www.farfalla-project.org/jquery.js';
farfallaScript.type = 'text/javascript';
farfallaScript.src = 'http://www.farfalla-project.org/farfalla.js';
headID.appendChild(farfallaCss);
headID.appendChild(jqueryScript);
headID.appendChild(farfallaScript);