Image from image list file ?

i have image list like this :
http://tango.freedesktop.org/images/2/20/Tango-feet.png

so, i want to get image from that file, and display to PictureBox.
anyone know how to do this ?

thank you

That's not an imagelist. that is 1 image containing 418 small images

yes, you are right.
is there a way to get the position of the image. so no need to break into a picture.
I've found a way like this in web programming.

here's a simple example:

thank you paul, amazing :)