There appears to be a new trend of putting cute animals on your HTTP 404 page. Twitter has a "Fail Whale", and now Tumblr has "TumblBeasts": http://www.observer.com/2011/tech/tumblr-adds-oatmeals-suggested-tumbeasts-404-page Perhaps we can have an easy way to make Lisp-based web sites use the "powered by alien technology" cute green creature? :) -- Dan