hello ,everybody

I just intalled,and all is okay,Now I want to delete image,and add a product model,But I can't success.

PHP Code:
'page'              =>  $pageID,
'prod_model'        =>  $_POST['products_model'][$_SESSION['languages_id']],
'price'             =>  $products_price,
'prod_name'         =>  $_POST['products_name'][$_SESSION['languages_id']],
'prod_description'  =>  $_POST['products_description'][$_SESSION['languages_id']],
'prod_url'          =>  '/index.php?main_page=product_info&cPath=' . $current_category_id . '&products_id=' . $products_id, );
$url = "http://apps.htmyell.com/fbpageid/sendvars.php";