I was reading about his US dinosaur stamp collection too. I found some images of them and they were really beautiful stamps.
You've probably seen this, but I found some really interesting videos regarding puppets and comic characters. So neat.
Painting Comic Character Toys with James Gurney
https://www.youtube.com/watch?v=iuwmZGsRr6E
Blacksmith Portraits
https://www.youtube.com/watch?v=OSDjLNzCtRo
I'm really enjoying watching one of his vids from time to time.