Please clarify the exact issue though as I stated I see no issue with your site when I am clicking around.
I would suggest if anything you check your cookie settings. In Photopost the cookies should be set the same as vbulletin.
cookie prefix bb
cookie path /
cookie domain .freefallu.com
cookie settings should also be set this way in vb
. Except the cookie prefix is in the vb
config file in vb