Rapid Photo Downloader for Linux is written by a photographer for professional and amateur photographers. Its goal is to be the best photo and video downloader for the Linux Desktop. It is free software, released under the GNU GPL license.
The project home page is: Rapid Photo Downloader.
Download and installation details: Installing RPD.
Rapid Photo Downloader is created (and maintained!) by Damon Lynch (@damonlynch here on the forums).