If external users could access a pool, it would eliminate the need for an ftp server. Once authenticated, they should be able to view and download the pool files they have access to. Similarly, I made another request here where our own users should be able to download files in the pool they are part of, not just send the files. http://support.liquidfiles.net/entries/55766740-Allow-users-to-download-files-in-a-Pool