ImageHost Grabber is described as 'Many forums and blogs don't have the capacity to store images on their own servers. Instead, posters are required to use a third-party host to share images. Many free image hosts exist, such as imagevenue, imagebam, and imageshack to serve the purposes of sharing images' and is a image downloader in the web browsers category. There are more than 10 alternatives to ImageHost Grabber for a variety of platforms, including Windows, Linux, Mac, Web-based and Google Chrome apps. The best ImageHost Grabber alternative is WFDownloader App, which is free. Other great apps like ImageHost Grabber are Imageye, Bulk Image Downloader, RipMe and NeoDownloader.
One of the few image / gallery downloaders that works on a lot sites and gets updated fairly regularly. If an extractor is broken you canjust report it and they'll fix it. You can also suggest sites that aren't currently supported. If a site is not supported BID still tries to download the images. There are always methods to check what it selected before downloading such as preview images or image size.