This is the one I use: http://www.irfanview.com/ http://www.irfanview.com/ Its quirky but its the fastest way through a few thousand pics I've found yet. It d

This is the one I use: http://www.irfanview.com/ http://www.irfanview.com/ Its quirky but its the fastest way through a few thousand pics I've found yet. It doesn't quite categorize, but it lets you select and batch stuff.