function bootstrap_form_system_theme_settings_alter(&$form, $form_state, $form_id = NULL) {

	$form['banner']['settings']['banner_path'] = array(
'#type' => 'textfield',
'#title' => t('Path to custom banner'),
'#description' => t('The path to the file you would like to use for your banner'),
'#default_value' => theme_get_setting('banner_path', $key),
		);
	$form['banner']['settings']['banenr_upload'] = array(
'#type' => 'file',
'#title' => t('Upload banner image'),
'#maxlength' => 40,
'#description' => t("If you don't have direct file access to the server, use this field to upload your banner.")
		);


  // Include theme settings file.
  bootstrap_include('bootstrap', 'theme/settings.inc');
  // Alter theme settings form.
  _bootstrap_settings_form($form, $form_state);
}

function bootstrap_form_system_theme_settings_submit_handler($form, &$form_state){
	if(!empty($form_state['values']['banner_image'])){
		$file = $form_state['values']['banner_image'];
		unset($form_state['values']['banner_image']);
		$filename = file_unmanaged_copy($file->uri);
		$form_state['values']['banner_image_path'] = $filename;
	}