[Stubbed]

Just on my issue, I ended up editing itrader_feedback.php to get what I needed.

Someone else must be having the same problem, so this is what I did:

Change http://www.url.com/forum to where ever your forum is, no trailing slash.

Find (Line 164):

        if (itrader_checkurl($itrader['dealurl']) == false)

Replace:

        if (itrader_checkurl('http://www.url.com/forum' . $itrader['dealurl']) == false)

Find (Line 209):

        dealurl = '" . $vbulletin->db->escape_string($itrader['dealurl']) . "',

Replace:

         dealurl = '" . $vbulletin->db->escape_string('http://www.url.com/forum' . $itrader['dealurl']) . "',

This adds the domain/directory onto the start of the url before it gets checked to see if its valid, and also before it inserts it into the database. Also works with strict url checking, and now all of the links work properly.

However, if someone doesn't put in the correct dealurl, it won't display properly, but couldn't see how to change that with out mucking up something else.

Messy, but it solved my problem.