As I can see in demo of tinyMCE at it's site.
It provide many plug-ins which are available to download readily.

but using tinyMCE at site only display some features

try [url]http://tinymce.moxiecode.com/examples/full.php[/url]

Kinda same view the code you will see :)

includes/libs/story.inc.php
line 1115 function tinymce_form()

[url]http://tinymce.moxiecode.com/examples/full.php[/url]

Proceed @ your own risk!