This plugin allows you to upload images to ImageShack.com directly from your posting screen. See http://anthony.strangebutfunny.net/my-plugins/easiest
ImageShack Migration will transfer all current post pictures to imageshack.us, to help you save on bandwidth, and make your pages load faster.
This plugin allows you to upload images from your WordPress post screen to ImageShack and to insert them with the thumbnail into your post with a few
multiupload imageshack upload your images to imageshack.