You can find lots of images of dogtrots (or just about anything else) by going to http://www.google.com and searching for images rather than just searching the web. (Look for the tabs at the top that allow you select web, images, groups, directory or news.) Here are results of a google image search (or a gis in internet shorthand) http://images.google.com/images?q=dogtrot&ie=UTF-8&oe=UTF-8&hl=en