I hate some of the crap Twitter has put in the timeline.

WebTwitterplusplus.user.js

// ==UserScript==
// @name         WebTwitter++
// @version      0.1
// @description  WebTwitter++
// @author       Michael Usher <[email protected]>
// @match        *://twitter.com/*
// @grant        none
// @run-at document-end
// ==/UserScript==
/* jshint -W097 */
'use strict';

// Only apply if there is no path, so you can view details and
// see the tweet with thumbnails and what not.
if (document.location.pathname == "/") {
  var update_css = `
  // Hide giant image previews
  div.AdaptiveMedia {
      display: none !important;
  }
  // Show the link to giant image previews/quoted tweets
  .twitter-timeline-link.u-hidden {
    display: inline-block !important;
  }
  // Hide the right hand side panel
  .dashboard-right {
    display: none !important;
  }
  // Hide trends
  .Trends.module.trends {
    display: none !important;
  }
  // Hide quoted tweets
  .QuoteTweet {
    display: none !important;
  }
`;

  var head = document.getElementsByTagName('head')[0];
  var style = document.createElement('style');
  style.type = 'text/css';
  if (style.styleSheet) {
    style.styleSheet.cssText = update_css;
  } else {
    style.appendChild(document.createTextNode(update_css));
  }
  head.appendChild(style);
}