social networking, bookmars and SEO of course. To give it a push go for adwords campaign and you will see that some traffic will stay at your site after you stop the campaign, if your site worths staying of course...
1) Offer free, original, and quality content on your site
2) Optimize high traffic keywords related to your business
3) Advertise your website
4) Get more external links
5) Improve general search engine optimization
6) Increase page rank,
7) offer resource page links
8) Update your web more frequently which your audience love to get feeded.
9) Exchanging links.