// ==UserScript==
// @name       My Fancy New Userscript
// @namespace  http://use.i.E.your.homepage/
// @version    0.1
// @description  enter something useful
// @match      http://www.okcupid.com/*
// @copyright  2012+, You
// ==/UserScript==
"use strict";
var matches;
var index;
matches = document.querySelector('#section_matches > ul').getElementsByClassName('match');
for (index = 0; index < matches.length; ++index) {
    window.alert(matches[index].getElementsByClassName('profile_image')[0].href);
}