Some of the other best-known providers for unlimited online storage site is Omnidrive, Badongo, Mozy, Mega actions, and so on. Almost all of these offer at least 2GB of accurate, free space, when it was often to update hundreds of GBS, specific conditions are met.
He wants something FTP style.
Omnidrive is dead, Megaupload has horrible restrictions, Badongo only has FTP as upload, not download, Mozy is for backups and acts like Kryptonite, and also has a fee, and Mega Actions is a Photoshop plugin, not a file service.
Why is the Captcha such a big deal?
I personally would just get a home server, run Openfiler
set up as an FTP, and use a free domain from DynDNS.