A simple Python Image resizer
Requires python2.7 and Python Image Library (PIL)
Includes a bat script that you can drag all your images on to, which will then be resized to the size in the bat script.
Pycture Resizer is a little utility used to resize pictures. It supports various image formats and is written in Python. It features a nice GUI created with wxPython and file drag'n'drop. (wxPython and PIL needed)