function dreamzen_form_views_exposed_form_alter(&$form, &$form_state, $form_id) {
    $fromdate = &$form['created'];
    $fromdate['#type'] = 'select';
    $fromdate['#options'] = array(
      '' => 'All',
      strtotime('-7 days') => '-7 days',
      '-30' => 'Last month',
    );
    $fromdate['#default_value'] = '';
    $fromdate['#size'] = 1;
}