After the Google updates, I don't know if these will help or hinder your site - I'm not endorsing any services, just putting them out there for anyone that's interested
http://www.tycoos.com/ - lots of free linking and seo tools
linksoar.com - 46 free backlinks
http://www.indexkings.com/ - 15000 backlinks
http://www.imtalk.org/cmps_index.php?pa ... -Submitter - 37000 backlinks???
247backlinks.info/ - 1000 free backlinks to try the service
freebacklinktool.com/ - free backlink tool
http://backlinks.auto-im.com/freepack/free.php - 200,000 backlinks!! i personally wouldnt risk this one