A e-mail note from Ask Jeeves team along with a post on the AJ blog lets us know that Ask is now using their own relevancy algorithm on top of the image database that's provided by Picsearch. The Picsearch database and algorithm is also used with MSN's Image Search.
The AJ blog post offers a couple of before and after examples.

Introducing SES Online
Want to view one of the sessions you missed or listen to an especially informative presenter a second time? SES New York sessions are available for purchase on ClickZ Academy's new e-Learning site. SES is now Online!
