I know your time is limited. But I'm wondering if you could look at the code for this hack to see if it was possible to adapt to VaultWiki.
Form Hack: http://www.vbulletin.org/forum/showthread.php?p=1419331
I attached the file
I tried some stuff, but I'm not a coder. It would, I think practice for many people.
Thank you in advance for your time.