code: protected function getSuffixFlag()
      {
          if (!$this->currObj instanceof Client) {
              return "";
          }
  
          if ($this->flagpath && $this->currObj["client_country"]) {
              return $this->getImage(
                  $this->currObj["client_country"]->toLower() . ".png",
                  $this->currObj["client_country"],
                  null,
                  false,
                  true
              );
          }
  	    return "";
      }
docs: Returns a HTML img tag which can be used to display the country flag for a
  TeamSpeak_Node_Client object.
  
  @return string