[Admin]

To remove Unregistered open sessions.php in your admin folder and replace

PHP Code:

  $bbuserinfo['username']=iif ($loginusername=="","Unregistered",htmlspecialchars($loginusername)); 


with

PHP Code:

  $bbuserinfo['username']=iif ($loginusername=="","",htmlspecialchars($loginusername)); 


In your standardredirect template replace

PHP Code:

<smallfont><a href="$url">Click here if you do not want to wait any longer<br>
        (or if your browser does not automatically forward you)</a></smallfont> 


with

PHP Code:

<smallfont><a href="$url">Click here to come back to where you came from</a><br>
<a href="$bburl">Click here to go to the forum index</a></smallfont> 


and that's it.

As for holding the new name to the preview screen it's complicated, I'm still trying to figure it all out.