Add a button to have a full view resized to screen.
// ==UserScript==
// @name FAImageFit
// @namespace http://tampermonkey.net/
// @version 2
// @description Add a button to have a full view resized to screen.
// @author ThatDumbCat
// @match https://www.furaffinity.net/view/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
var img = document.getElementById("submissionImg");
img.src = img.getAttribute("data-fullview-src");
img.style.maxWidth = "100%";
img.style.height = "auto";
})();