1. Can all be done through HTML in the HTML Markup input areas which you will find in the Usergroup section of your Admin CP.
2. Search for that answer, it's been asked many times. There *may* be a modification released - so check the postbit mod forum.
3.
http://www.vbulletintemplates.com/mo...ead.php?t=5407
4. Go to your Admin CP - vBulletin Settings - Style & Language Settings - Use Postbit Legacy. Select Yes for this option.
5.
http://www.vbulletin.org for hack support, here for template support &
http://www.vbulletin.com for official support.