If you direct the latest WebKit (19/9/08) to a website that doesn't exist, i.e. http://rpiqdrnoyc.tst/ Safari takes you to a "Safari can’t find the server" page, in which the graphic on the page is incorrectly displayed (squashed).
Created attachment 23575 [details] Screen grab of the problem.
Marking as a duplicate of the later bug because the latter has a little more regression and analysis info. *** This bug has been marked as a duplicate of 20945 ***