This search box will provide links to the galleries that contain images whose titles match your keywords. From there you can browse through the thumbnails to find the photograph that you are interested in.
*Note* I apologise in advance that this search does not work terribly well at the moment. I recently posted a major revision of the site, and the new pages have yet to be "discovered" by Google. So: give it a try anyways, check back soon, or better yet—sign up here to be notified when the new site gets properly indexed.