Join blogging forums - network with fellow bloggers in your niche
Post quality comments on other blogs
Run contests on your blog to get people to write about you - effective viral marketing
Write unique, quality content
Have an RSS Feed
Post in forums with a link in your sig
Trade links with other bloggers in your blogroll
Consider paid ads / paid reviews of your site
Submit each post to social networking websites
Submit to css galleries
Tell everyone you know about your blog
Include a link in your email
If you own other websites create a network of links from them
That's what I've been doing for the past 2 days anyway
Hope it helps you!