Favorite Software
ALL TIME BEST!!!!
Started as a graduate project or something like that, by some Bosnian guy. Best dang windows graphics view software there is. FREE.
Adobe stuff
Thumbs Plus
BEST thumbnailer, good for picture manipulation, too. A little slow on the larger (20,000+) folders, but otherwise eminantly usable.
Other "Necessary" Add-ins
GIMP which require Python