I have been spending the past few days coding WP-DownloadManager, and I am proud to say that I can release the beta very soon. I just left the readme.html to do.
For those who cannot wait for the readme, here is the direct link [1] to the file via WordPress Plugins SVN.
As it is now, any file added to WP-DownloadManager can be download by anyone, I may add in permission to each file if I get enough responses.
Remember to update your permalinks by going to “WP-Admin -> Options -> Permalink” and click “Update Permalink Structure” because the file direct download link will be “http://yoursite.com/download/1/” where 1 is your file ID.
I think a picture paints a thousand words: