It still has a bit of room for improvement, but it works well right now.http://FileAnon.com
It's easy to remember - File Anon
You don't need to register for an account or anything. Just upload a file (up to 500 MB) and save off the link somewhere. Give it out to whoever (via e-mail, facebook, CathInfo, other forums, etc.)
Great for sermon sharing.
The site currently has no ads.