Redirect twimg to :orig (keep protocol, http or https)
// ==UserScript==
// @name twimg_redirect_orig2
// @namespace http://catherine.v0cyc1pp.com/twimg_redirect_orig2.user.js
// @include http://pbs.twimg.com/media/*
// @include https://pbs.twimg.com/media/*
// @exclude http://pbs.twimg.com/media/*:orig#.*
// @exclude https://pbs.twimg.com/media/*:orig#.*
// @run-at document-start
// @author greg10
// @license GPL 3.0
// @version 2.0
// @grant none
// @description Redirect twimg to :orig (keep protocol, http or https)
// ==/UserScript==
var str = content.document.location + "";
str = str.replace( /:(large|orig).*$/, "");
//str = str.replace( /^https:/, "http:");
var ext = str.substr( str.length - 3, 3);
//console.log("ext="+ext);
var url = str + ":orig#." + ext;
window.location.replace( url );