سلام عليكم
http://www.subdreamer.com
Forum Integration
Not only does Subdreamer offer its own member system, but it also allows complete skin and membership integration with the following forums: phpBB2, vBulletin 2, and vBulletin 3.
Once you have integrated Subdreamer with your forum you can have members login to your site from any page, display top posters and other forum information! Then have Subdreamer automatically skin your forum to match your website with a single click!
http://www.subdreamer.com/