Here are some of my puppy pics of Harry. He was a little fatty too like your boy.
This was the day we brought them home, they were not impressed.
http://farm1.static.flickr.com/192/4...b8bc8c964e.jpg
and then worn out by it all
http://farm1.static.flickr.com/216/4...056fa830b6.jpg
and in the garden
http://farm1.static.flickr.com/177/4...94e60bf727.jpg
then its playtime
http://farm1.static.flickr.com/215/4...4759135e21.jpg
hope you enjoy.