His faults:
I would like to see him a little wider made, deeper in the heart and flank, he lacks power in the rear quarter and looks to be week topped.
His positives:
He sets with all his feet pointing in the right direction he looks to be clean fronted and has a fresh look to him.
These opinions where formed from the one picture at an angle that is less than perfect.
It does look like your son has worked with him and is enjoying his project so over all he looks just right.