Attach images, upload directly to imageshack?

[gnrx]

Hello.
I think in this option.
If the users upload by attach mode any image, that image it's upload to server, and if uploads many images, the server has a lot of capacity used by this images.
Well, I think of the possibility of adding the function upload the images directly to imageshack (for example), when the user click in the button of upload a image, directly open a windows for upload the image to any server of images upload (like imageshack), and when the image is upload, return to the forum with the hotlink for forums to image in the post.

Regards.