More/better admin control of client media

It would be great if we had more/better control of our client’s media, in that we could edit/rename/delete photos (for example) at our discretion. It is increasingly frustrating when renaming media in Dropbox that the system creates duplicates with the new names instead of renaming the original files, which we then have to get your staff to delete the duplicates for us. Maybe the Dropbox integration needs some adjusting to help with this?