Preview the OP too.

4chan_x.js

@@ -1240,6 +1240,7 @@
       }
       $.append(op, node);
       op.id = $('input[name]', op).name;
+      if (!g.REPLY) {
         node = op;
         div = $.el('div', {
           className: 'thread'
@@ -1253,6 +1254,7 @@
         if (!(node.align || node.nodeName === 'CENTER')) {
           return threading.thread(node);
         }
+      }
     },
     stopPropagation: function(e) {
       return e.stopPropagation();
@@ -1707,8 +1709,7 @@
       var clientX, clientY, id, preview, target;
       target = e.target, clientX = e.clientX, clientY = e.clientY;
       preview = $('#qp');
-      id = target.textContent;
-      id = id.replace(">>", '');
+      id = target.textContent.replace(">>", '');
       preview.innerHTML = d.getElementById(id).innerHTML;
       $.show(preview);
       $.bind(target, 'mousemove', quotePreview.mousemove);
@@ -2238,6 +2239,7 @@
       if ($.config('Keybinds')) {
         keybinds.init();
       }
+      threading.init();
       if (g.REPLY) {
         if ($.config('Thread Updater')) {
           updater.init();
@@ -2258,7 +2260,6 @@
           watcher.watch(null, g.THREAD_ID);
         }
       } else {
-        threading.init();
         if ($.config('Thread Hiding')) {
           threadHiding.init();
         }

script.coffee

@@ -966,6 +966,7 @@ threading =
     $.append op, node #add the blockquote
     op.id = $('input[name]', op).name
 
+    unless g.REPLY
       node = op
 
       div = $.el 'div',
@@ -1329,8 +1330,7 @@ quotePreview =
   mouseover: (e) ->
     {target, clientX, clientY} = e
     preview = $ '#qp'
-    id = target.textContent
-    id = id.replace ">>", ''
+    id = target.textContent.replace ">>", ''
     preview.innerHTML = d.getElementById(id).innerHTML
     $.show preview
     $.bind target, 'mousemove', quotePreview.mousemove
@@ -1724,6 +1724,8 @@ main =
     if $.config 'Keybinds'
       keybinds.init()
 
+    threading.init()
+
     if g.REPLY
       if $.config 'Thread Updater'
         updater.init()
@@ -1745,8 +1747,6 @@ main =
           watcher.watch null, g.THREAD_ID
 
     else #not reply
-      threading.init()
-
       if $.config 'Thread Hiding'
         threadHiding.init()