/controllers/admin/AdminCustomerThreadsController.php
$images_array = array(
'open' => array('src' => 'status_green.png', 'alt' => $this->l('Open')),
'closed' => array('src' => 'status_red.png', 'alt' => $this->l('Closed')),
'pending1' => array('src' => 'status_orange.png', 'alt' => $this->l('Pending 1')),
'pending2' => array('src' => 'status_orange.png', 'alt' => $this->l('Pending 2')),
);