SEO and dynamic pages

Im currently in the process of designing and coding a website using dynamic pages. Basically it has index.php which includes a seperate page, depending on a dynamic link in the address bar, to allow for navigation that I can chnage quickly without having to go through a hundred + pages to change 1 link. The included pages may have static content or database retreived content. Sorry if I havn't explained that very well.
What's the best way to optimize this website for search engines? I have put in extensive keywords and there are many many links on the site to other sites that are growing quickly as I find them or people submit them.
The reason I ask is because I have read dynamic sites don't get read very well by spyders. Im just wondring if there is a way to help them, so to speak, and make my website more viable to search engines.
Thanks for any help, advice or tips you give me.

Try mod_rewrite. There's a sticky guide in the Apache forum.

as long as your url's arent' HUGE, you should be okay. If they are, then i'd agree wiht the mod_rewrite.

also, take advantage of using dynamic pages by calling keywords and titles from a database as well, being as page-specific as you can be.

hope that helps!