Back in the summer Nick Walker was asked to paint a piece that would be filmed and used in a TV documentary about butterflies.
This TV programme:
Natural World: Butterflies: A Very British Obsession
was broadcast on Friday 17th December at 8pm on BBC2. Nicks sequence can be viewed here http://www.bbc.co.uk/programmes/p00cnvzd or of course you can watch the whole programme on BBC Iplayer too (for 4 more days)