Sure....
This is real estate specific:
create profiles and syndication blogs on the following sites:
www.rismedia.com www.realtownblogs.com www.activerain.com
Create free listings on the Google and Superpages.com
Write up a list of the five most influential blogs that show up on the keywords you are trying to reach for search traffic that allow a url link in commenting. Every day, make a comment on at least one of those blogs.

