Esoliken / Twitter gallery fix

// ==UserScript==
// @name         Twitter gallery fix
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  Make Twitters gallery functions a little easier.
// @author       Esoliken
// @match        https://pbs.twimg.com/media/*
// @match        https://twitter.com/*
//
// @license      MIT
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var url = window.location.href;
    if(url.indexOf(":large") != -1){
        url = url.substring(0,url.indexOf(":large"));
        window.location = url;
    }
})();
$(document).ready(function(){
   var url = window.location.href;
   if(url.indexOf("https://twitter.com/") == 0){
        $("div.GalleryNav--next").css("width", "33%");
   }
   var foo = setInterval(function(){ //There's an easier way to do this, but this is an error free method for now.
       if($("img.media-image").prop('src')){
           var url = $("img.media-image").prop('src');
           if(url.indexOf(":large") != -1){
               $("img.media-image").prop('src',url.substring(0,url.indexOf(":large")));
           }
    }
},500);
});