I will answer your post base on what I know. If you want traffic you can try having backlinks from directories. Its free. Try blogwalking too. Meaning browse blogs and leave comments, either in their shoutmix or in their posts. Contribute to other blogs to have more attention to your blog. You can also advertise your blog in facebook, twitter.. Have it as you signature in forums like this one. Use sites like linkreferral, entrecard, GGNshare, mybloglog or blogcatalog to interact and connect with more bloggers.

update reqularly with quality contents

Also don't forget to do links exchange with similar blogs.

I always think the best way is to produce quality content and then getting indexed in google search engine. This leads to organic traffic which is totally free.

a regular update and participating a lot to social bookmarking sites and social networks such facebook,plurk,twitter etc.