Domains WP?

I just bought a domain name, http://www.paulfromcanada.com. My WP site it located at http://paul.buildtolearn.net/blog. I want to setup my domain so that it will replace the “http://paul.buildtolearn.net” part. So let’s say the URL to one of my posts would be http://paul.buildtolearn.net/blog/2006/01/21/sample-post, I want to setup my domain so it would look like http://www.paulfromcanada.com/blog/2006/01/21/sample-post. I’ve got cPanel 10, and I think it has something to do with parked or addon domains.

Thanks if anyone can help 🙂