[Bellardia]

If you want to rewrite links, you'll want to use two plugins.

This one will take the text to be posted, and submit it to a function so can it can be run through a preg_replace or similar function.

<plugin active="1" executionorder="5">

			<title>Title Of Mod</title>

			<hookname>postbit_display_complete</hookname>

			<phpcode><![CDATA[global $vbulletin;

			$this->post['message'] = Function_Name($this->post['message']);

			]]></phpcode>

</plugin>

Another code in the global_start hook can be used to hold the source of the link replacement, modify the post and return it however you want.

<title>Plugin Title</title>
<hookname>global_start</hookname>
<phpcode><![CDATA[
            function Function_Name($post) {
				global $vbulletin;
                //Preg_replace + other Functions
                return $post;
             }
]]></phpcode>