WebCrawler offers a collection of search categories to help you narrow down your search and get better results. The list includes:

Web - Use WebCrawler's collection of leading search engines to get better results from more of the Web.
Search Providers - Google, Yahoo! Search and Bing, And More.

Images - Find photos related to your search.
Image Providers - Yahoo! Search, Ditto, And More.

Video - Find video files related to your search.
Video Providers - Blinkx.

News - Search for news articles related to your search on the Web.
News Providers - Yahoo! Search, Topix, FOXNews, ABCNEWS, And More.

Yellow Pages - Find business listings related to your search.
Yellow Pages Provider - Yellow Book.

White Pages - Find people listings related to your search.
White Pages Provider - Acxiom.