How to resize an image?

[Claus Dreischer]

Hi,

I'm looking for an elegant way to resize (shrink) an image.

Changing the width and the height only affects the display.
Saving this image to file results in the original image with the original size.
So this won't do.

Has anyone an elegant way to save a thumnail of an image?


Regards,
	Claus.




PS: Let's see who as nothing better to do on a sunday than reading 
this list ;-)