Background Hack

// ==UserScript==
// @name        Other Background
// @namespace   Selbi
// @include     http*://www.fimfiction.net/*
// @version     1
// ==/UserScript==

var body = document.getElementsByTagName('body')[0];
body.style.backgroundImage = 'url(http://www.fimfiction-static.net/themes/poni2.0/images/body_background.png)';
body.style.backgroundColor = "#000000";