public function actionClearRemoteImages()
{
$key = craft()->request->getParam('key');
$setKey = craft()->imager->getSetting('clearKey');
if (!$setKey || $key != $setKey) {
print_r('Unauthorized key');
craft()->end();
}
craft()->imager->deleteRemoteImageCaches();
if (craft()->request->getPost('redirect')) {
$this->redirectToPostedUrl();
}
print_r('Your remote images cache was cleared!');
craft()->end();
}