It sounds like what you want are the basics of marketing. This is a common need for CS grads. Here are some places to start at getting traffic:

http://www.quora.com/Startups/Whats-an-effective-way-to-driv...

http://derwiki.tumblr.com/post/40523233923/getting-traffic-f...

If you post your site here, you may get some good advice. Alternatively, I have found criticue.com to offer excellent free feedback.