Jeffro raised a point of reformating your blog for WordPress 2.7. I've been blogging with WordPress since late 2003 and have been the blog software go through tonnes of upgrades.
This tutorial is for those of you who have the cPanel as your hosting control panel. cPanel's File Manager is a very powerful and versatile tool to use to upload your website. A very useful feature offered by it is the ability to extract zip, tar and gz archive files.