If it's a forum, then try making those links be worth something: like make sure that links have value. Here's a list of dofollow forums:

WebGuru Forums • Index page
SitePoint Forums: Resources, Design, HTML, CSS, PHP, ASP, MySQL and more for your web site.
Harmony Central Musician Community Forums
Search Engine Roundtable Forums
Search Engine Forums Submit Express
Business startup, starting business, small business - Start ups
Webmaster Forum
Webmaster-Talk.com Webmaster Forum - Web Design, Coding, SEO Forums
Comic Book Resources Forums - Powered by vBulletin
SEO Forum - Web Design Help - Webmaster Forum - Web Hosting Talk | BzImage.org
Internet Marketing and SEO For Business - Clicks
Webmaster-Talk.com Webmaster Forum - Web Design, Coding, SEO Forums
Domain Name Forum Acorn Domains Buy Sell Trade UK Domain Names - Domain Names
Book & Reading Discussion Forums :: Index
:: Index
UK SEO and Internet Marketing Forums - Index
http://6pins.com/blog/
IQ 69 - Mainstream Webmasters Forum
Hot4s Online Forum - Powered by vBulletin
http://forums.microsoft.com/MSDN/def...ID=20&SiteID=1
MySQL :: MySQL Forums
http://forums.amd.com/forum/categori...=11&entercat=y
http://softwarecommunity.intel.com/i.../en-us/Forums/
CNET forums - CNET
http://forums.oracle.com/forums/cate...?categoryID=84
Payment Processing,Credit Card Processors,eCommerce,Merchant Accounts, ChargeBack Prevention & Payment Gateways Forums
The Warrior Forum
DNForum - Domain Sales, Domain Forum, Domain Appraisals, Domain Registrars

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