Pagerank 5 Forums that you can use to build your search engine rankings. Create profiles in these forums and add your link with proper anchor text to your profile and signature (if available). Then post relevant content in the forum or get a list of all your profile URL’s and create an RSS Feed and Ping this out.
List of Pagerank 5 Forums
http://forum.keanemusic.com
http://forum.abestweb.com/
http://forum.purseblog.com/
http://forum.ctc.org.uk/
http://steadfast.net/forum/
http://www.hometheaterforum.com/htf/index.php
http://www.laserforum.org
http://luminous-landscape.com/forum/
http://www.thaivisa.com/forum/
http://www.avsforum.com/avs-vb
http://blenderartists.org/forum/
http://forum.rpg.net
https://www.myinfoline.com/forum
http://forum.japantoday.com
http://forum.notebookreview.com
http://tmp.garyr.net/forum/
http://forum.419eater.com/forum/
http://extjs.com/forum/
http://forum.bitdefender.com
http://fpa.vnexpress.net
http://www.wongkarwai.net/forums
http://www.informatik-forum.at
http://www.hmailserver.com/forum
http://www.goldenvoice.com/forum
http://forum.donnavventura.com
http://forum.blacknight.com
http://forum.axishistory.com
http://www.retailmenot.com/forum
http://forum.whmcs.com
http://www.3g.co.uk/3GForum
http://www.dnforum.com
http://forums.tizag.com
http://www.deepburner.com/forum
http://forum.xda-developers.com
http://www.cre8asiteforums.com/forums
http://forums.seochat.com
http://submitexpress.com/bbs
http://www.highrankings.com/forum
http://www.v7n.com/forums
http://www.webmaster-talk.com/
http://www.daniweb.com/forums/
http://www.webmaster-forum.net/
http://forum.newsgator.com/
http://www.feedforall.com/forum/
http://www.bloggerforum.com/
http://www.bloggertalk.com/
http://www.rss-forum.de/
http://www.cookingjunkies.com/
http://www.htmlforums.com/
http://forums.afterdawn.com
http://www.aqua-soft.org/board/
http://softwarecommunity.intel.com/isn/Community/en-us/Forums/
http://forum.notebookreview.com/
http://www.techsupportforum.com/
http://forums.worldofwarcraft.com/
http://www.theadminzone.com/forums/
http://forums.comicbookresources.com/
http://www.gardenstew.com/
http://www.movie-list.com/forum/
http://www.codingforums.com
http://codingforums.com
http://bbs.eol.cn
http://homeofficeforum.ca.com/homeofficeforum
http://eudorabb.qualcomm.com
http://forum.limewire.org
http://forum.aumha.org
http://www.419legal.org
http://extjs.com/forum
http://www.yumichong.com
http://en.forum.laptop.org
http://forums.fatakat.com
http://www.techimo.com/forum
http://www.sanparks.org/forums
http://chinalanguage.com/forums
http://forums.pligg.com
http://www.hockeydb.com/vb
http://forum.physicianspractice.com
http://forum.domaingo.de
http://forums.zmanda.com
http://inside.insa-lyon.fr
http://www.ubcbotanicalgarden.org/forums
http://forum.nashuatelegraph.com
http://www.pcwelt.de/forum
http://forum.kinopolska.pl
http://forum.ilmeteo.it
http://www.colboard.com
http://forums.seedsavers.org
http://forum.redlers.com
http://www.googlecommunity.com
http://forum.mikrotik.com
http://forum.meteonetwork.it
http://www.haydoo.com/forum
http://yumichong.com
http://forums.mozillazine.jp
http://forums.multimap.com
http://forums.kayako.com
http://www.finlandlive.info
http://www.forumsig.org
http://duc.digidesign.com
http://www.security-forums.com
http://forum.rp.sg
http://www.webhostingcommunity.com
http://www.iesaf.fi/sauna
This will drastically increase your back links and search engine optimization benefits. If you find any broken links or want to add a new forum to the list please submit it in the comments section and if it is appropriate i will add it to the list of SEO friendly forums.