OK so I had posted an ftp site to upload files to, but then I found out a gallery option for my host & I think this is a better way to go. There's no limits of any kind on what pictures are uploaded and the user below can only add pictures (not delete). I made 2 albums, a Raw Scans and then a Finished album. I already uploaded the 4 finished ones in there.
This seems like an easy way to do this. That way if someone just uploads an image to the raw scan directory anyone can download it, fix it, and upload it to the finished.
You don't need a login to view any images, only to upload. My host seems fast enough too as I was downloading at 500k a second.