Do’s And Don’ts
The Worst Things You Can Ever Do(™) (http://www.vbulletin.org/forum/showthread.php?t=55566) - filburt
KISS - Keep It Simple Stupid (http://www.vbulletin.org/forum/showthread.php?t=102426) - Princeton

Adsense & Ads
Maximizing Adsense Revenue (http://www.vbulletin.org/forum/showthread.php?t=95232) - amykhar
vBulletin Google Adsense Deep Integration Tutorial (http://www.vbulletin.org/forum/showthread.php?t=107965) - NeutralizeR

Marketing and Ranking
Guerilla Marketing Tactic For Your Forum: Pimping Myspace (http://www.vbulletin.org/forum/showthread.php?t=126058) - dougeetx
Improve your search engine rankings (http://www.vbulletin.org/forum/showthread.php?t=168925) - Loco.M