This program will allow you to choose the satellite imagery enhancements, file format and saving directory for each storm based on the last letter suffix.
It also includes a timer which will allow automatic download every given seconds, minutes or hours.

Download page for Floater Imagery Archiver 2.0
Edit: March 04, 2014 - The SSD has changed their storm floater imagery formats from .jpg images to .gif images. The program has been updated.
Edit: June 01, 2015 - Any undesignated Invests will be placed into a folder titled Undesignated.