He's quoted in an article on skin culture in The Guardian, which related both to This is England and the tie-in exhibition of Watson's work at the National Film Theatre (a great exhibition which I had a very enjoyable couple of hours being wrong-footed by):
QUOTE
Some of his photographs are funny, some are tender, some are domestic. Many of them show skinheads smiling, others display a great vulnerability: young boys struggling for their place in an adult world. If there is aggression it is playful and uncertain. And in the background sits an unbeautified England of the Eighties, a harsh depiction of extreme disunity.
Watson's myspace page contains a fascinating account of Watson's youth.