By Max Kueng
Has 3 other scripts.
// ==UserScript==
// @name Google Ad Remover
// @namespace http://maxkueng.com/gmscripts
// @description Removes ads from Google search result pages
// @version 1.2
// @author Max Kueng
// @homepage http://maxkueng.com/
// @include http://*google.*/search*
// ==/UserScript==
(function () {
var adbox0 = document.getElementById('mbEnd');
var adbox1 = document.getElementById('tpa1');
var adbox2 = document.getElementById('tpa2');
var adbox3 = document.getElementById('tpa3'); // you kever know
var adbox4 = document.getElementById('tpa4'); // you kever know
// add more if needed
if (adbox0) { adbox0.parentNode.removeChild(adbox0); }
if (adbox1) { adbox1.parentNode.removeChild(adbox1); }
if (adbox2) { adbox2.parentNode.removeChild(adbox2); }
if (adbox3) { adbox3.parentNode.removeChild(adbox3); }
if (adbox4) { adbox4.parentNode.removeChild(adbox4); }
// add more if needed, too
}());