[BigDogg]

Originally Posted by Perineum

If you're using Windows XP this is a great one, nice and simple to use...

Microsoft PowerToys for Windows XP

Called "Image Resizer"

Image Resizer Powertoy Clone For Windows 7/Vista

This is what I would suggest... Select 10 images in explorer, right click, select resize, and then done :) you can either create copies ore re-size the originals.