> im = Image.open('pd0001_contype.jpeg')
> im.thumbnail((400,400),'NEAREST')
> im.save('pd0001_contype.thumbnail', "JPEG")
oops. better make that:
im = Image.open('pd0001_contype.jpeg')
im.thumbnail((400,400))
im.save('pd0001_contype.thumbnail', "JPEG")
</F>