Here is a sample of what can be done. Only goes up to 999.99 but you can add thousands, ten thousands, and on. Hide columns C through G. I left them visible for now. I also notice I did not add the word "dollars" to the end so I'll leave that to you.
http://files.me.com/pwb3/d8tkzg.numbers.zip
Edit 1: MobileMe is asking for a password for some reason today, even though this file isn't password protected. I think anything you type for the password will work.
Edit 2: And I spelled "Forty" incorrectly. There may be other typos as well.
Message was edited by: Badunit