use HTML::Parser;
use HTML::Entities;
HTML::Parser->new( 
                  default_h => 
                  [sub { 
                     print shift; 
                   }, "text"], 
                  start_h => 
                  [sub { 
                     local ($text, $tag,$attr) = shift; 
                     if ($tag eq "img") {
                       $attr->{src} = Lurker::pick_random( 'IMAGES' );
                       $text = "<$tag";
                       $text .= " $_=\"" . encode_entities($attr->{$_}). "\""
                          for keys %$attr;
                       $text .= ">";
                     }
                     print $text;
                   }, "text,tag,attr"], 
                 )->parse_file($doc);