// ==UserScript==
// @namespace     http://afunamatata.com/greasemonkey/
// @name          xkcd title-text display
// @description   Display the alt-text for xkcd comics
// @include       http://xkcd.com*
// ==/UserScript==

GM_addStyle(" div#title {font-variant: normal; clear: left; padding-top: 10px;}");
img = document.evaluate("//img[starts-with(@src, 'http://imgs.xkcd.com/comics/')]", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
var title = document.createElement("div");
title.textContent = img.title;
title.id = 'title';
img.parentNode.insertBefore(title,img.nextSibling);