In the past we have used a variety of tools (Photoshop, Paint Shop Pro, Irfanview etc) to resize images so that they are more appropriate file size for web design etc.
I have just read this article that shows how you can easily resize, and batch resize, images using preview (part of Mac OS X). This made me think that there must be an easy way of doing it in Windows, so I asked Steph. In Windows you can use tools within Windows Explorer to do the same job, here is a video showing you how to do it:
Update: You will need the Image Resizer powertool to do this, you can download it here.
First mentioned here. http://www.educationblog.org.uk/wordpress/2009/05/06/free-image-resizing/
It’s the same code as the one in the powertoy apparently.