Depending on what your site is about you can promote it by using google ads, writing articles and posting them on:hubpages, article alley, squidoo or ezine, and link it to your site. Have a blog that links to your site. You can use twitter and link to your site. If you do articles make sure they are 250 or more words and that the keywords you want people to search in google are 3% of your content. You can use your facebook or myspace page and post the link, or you can use this cool place where the girls use promotional modeling and social networking to get awareness and traffic to your site. http://www.wewearyourtanktops.com and as you can see when you post links in questions you answer that is another way to drive traffic. Good luck.