Thank you all for your coments and complements. A new picture of the pups now 5 weeks.
First the 3 girls and then the 3 boys :)
They are really cute right now, running around and playing and in the next second fast a sleep, all in a bundle :)
You may want to try frequently rewarding him for staying still before he gets a chance to complain. You can then start building up time between treats once he gets the idea that standing still will get him a reward.