Hi,
here some variations of top of calling the image field.
$fx['your_image']->value;
$fx['your_image']->image_alt;
$fx['your_image']->image_title;
$fx['your_image']->thumb1;
$fx['your_image']->thumb2;
Check for more the array with the order (Content-View):
print_r($fields) and die;
Best Chris