__PACKAGE__->config->{captcha} = {
    session_name => 'captcha_string',
    new => {
      width => 80,
      height => 30,
      lines => 1,
      gd_font => 'giant',
    },
    create => [qw/normal rect/],
    particle => [100],
    out => {force => 'jpeg'}
  };

##</code><code>##

sub captcha : Local {
        my ($self, $c) = @_;
        $c->create_captcha();
}

##</code><code>##

<img src="/captcha">