Welcome to the wonderful world of Flash Catalyst, it is awesome. Now to answer your question, you've got everything set up it seems, except a direct link for a file to be viewed or download. They can be multiple answers to this, please see below.
if you want to go a free route, then sign up for a drop box type website, or even google docs
A few DropBox type websites that are free.
or use Google Docs: https://docs.google.com/
if you want to spend a little money on this project, try searching for web hosting packages.
Hope This Helps!
James @ MSCNS.com