What are some alternatives?
When comparing ImageHost Grabber and RipMe, you can also consider the following products
Bulk Image Downloader - With Bulk Image Downloader you can download full sized images from almost any web gallery.
Extreme Picture Finder - Extreme Picture Finder is a powerful batch image downloader.
Image Downloader - Chrome extension to download images from websites.
NeoDownloader - As you know, there is a lot of websites with a lot of pictures, music and movies.
Image Cyborg - Download all images on a web page
zzllrr Imager Geek - zzllrr Imager Geek - Bulk Image Downloader on Chrome