Mine

function phorum_integrate_settings() {
if (!user_access('access administration pages')) {
    return message_access();
  }
  $form['phorum_integrate_home'] =
          array(
                '#type' => 'textfield',
                '#title' => t('Phorum installation directory'),
                '#default_value' => variable_get('phorum_integrate_home', 'phorum'),
                '#description' => t("The directory where Phorum was installed (relative to the Drupal root)."),
                '#maxlength' => '255',
                '#size' => '50'
          );
  $form['phorum_integrate_url'] =
          array(
                '#type' => 'textfield',
                '#title' => t('Phorum page url'),
                '#default_value' => variable_get('phorum_integrate_url', 'discuss'),
                '#description' => t("The Drupal path where the forum will appear."),
                '#maxlength' => '255',
                '#size' => '50'
          );
  $form['phorum_integrate_template'] =
          array(
                '#type' => 'textfield',
                '#title' => t('Phorum template'),
                '#default_value' => variable_get('phorum_integrate_template', 'embed_phorum'),
                '#description' => t("The template used to style forum display."),
                '#maxlength' => '255',
                '#size' => '40'
          );
  $form['phorum_integrate_db_prefix'] =
          array(
                '#type' => 'textfield',
                '#title' => t('Prefix to phorum tables'),
                '#default_value' => variable_get('phorum_integrate_db_prefix', 'phorum_'),
                '#description' => t("The prefix to the names of the Phorum database tables."),
                '#maxlength' => '255',
                '#size' => '40'
          );
  return $form;
}