Have you tried using forums to promote your business?  If you have not, you are really missing out on a great way to gain effective free advertising for your business. Each and every post you make will give you a valuable link back to your website, therefore increasing your backlinks and improving your link popularity on Google. Google loves link popularity and this is one of the best ways to move your site up to the top ranking spots on Google.
Here are a few of my favorite forums that are helping me get my business up there. Please take a minute to join us and tell us about your business. Don't forget to add your links in your signature box before posting. SEE YOU THERE!!!