A Great Grabber is a software to scan, search and grab the Internet. All text based webpages, like html, htm etc. are scanned for needed files. You input a start webpage, the extensions of the files where you are interested in and let the software searching and downloading these files.
You could additionally retrieve all found email addresses from the webpages. While running all downloaded images are immediately shown in the image viewing window, all vidoes in the video window and all audio files are played. So you could lay back, let the program scan the Internet and view all found images or videos one after another. You could download all filetypes you like. For example: JPG, GIF, MP3, AVI, PNG, PDF, WAV !