That's a VERY vague question. If you want to get people to come to your site, read up on this forum, and the SEO blogs you'll see references to, about building back-links. Get yourself noticed on relevant blogs and forums. Consider an opt-in emailing list. If organic methods are too slow for you, or if you want some more structured promotion, you can consider PPC advertising.
Here is thread i just written. It might help you it is easy way to get traffic. Organic method is slow but it is the best method to get free traffic. you can also do PPC for quick and paid traffic but do good keyword research before you start PPC. http://forums.digitalpoint.com/showthread.php?t=487075
it all depend on what kind of marketing you are looking for, what kind of service/products you selling, how much budget you got and what kind of knowledge you have. tell us more about this we may can give you more suggestion.
Then I think there is an affiliate section in this forum, where in you can introduce yourself. Apart from this you can consider craiglist to promote your products. Another good way could be to offer a some freebies from your site. I mean there could be a lot of strategies, depending upon exactly what type of products you would want to sell, your objectives and your marketing budget.
Hi, you can always pick up some free reads on how to market clickbank products from the Freebies section of DP. I have also detailed a full report on how to promote Clickbank products for a growing income. It is free and you can download it from my signature. In my report, I have also included a 7-day affiliate marketing plan that anyone can follow to succeed online. In short, you need to understand how to create an effective sales funnel and how to drive traffic consistently and for free. Hope that helps you!