That's what I use, too. You can see everything without the hassle of uploading it elsewhere. I don't remember where I got it, but it was very inexpensive and they send you a disk -- which I need to attempt to clean from the flood muck so I can put it on my new computer.
I don't remember where I got it, but one of the embroidery Yahoo groups has a download of file folders that make sense. I'm pretty sure it was DesignsbySiCK. Anyone remember if that's correct? I basically have a top level folder called embroidery and under that are the main categories with subfolders under those.