Windows Utility

If you want to view all pdf files with a compact program that shows the files on a column to the right then Pdf Tree View is for you!
In fact, with Pdf Tree View you can quickly view your PDFs in a folder. All the files in it will be displayed in a list to the left of the viewer.

http://www.box.net/shared/4m9d11fd0s

If you want to tidy up your mp3 files in a folder Mp3 Reorder then you will be very useful. In fact, entering the path containing all the folders with mp3 extensions to ignore, move the files to mp3's together (for example, covers), Mp3 Reorder clear up your files as you choose.

http://www.box.net/shared/5bzqnjlcb8

If you want to order your photo files in a folder Photo Reorder then you will be very useful.
In fact, entering the path containing all the folders with the photo, the formatting of the file, any Midi Reorder header will sort your files as you have chosen

http://www.box.net/shared/dmz3dqyb1d