Take the time to read SEOmoz's Beginner's Guide to Search Engine Optimization. They have it fomatted several different ways to make it easy for you to read.
This is a great resource for you to start understanding how you can take avantage of SEO on your website. There are many aspects to SEO, some of which are harder than others. If you do nothing else, though, create content! Unique, useful and updated content will go a long way toward improving your site's "SEO-worthiness."
And, we also believe that blogging can be a great way to generate content for your site and increase your seach findability. Check out Chris Baggot's Blogging’s role in SEO & Social Networking. More info on blogging and SEO to come.
