Hi Jerrog,
Since it was probably intended as a compliment, take it as one (on the other hand, if his nose was waving in the air as he sneered at your work, maybe not

. I suspect you'd have figured that one out.

)
Pete's idea to have a picture of the artist at work is a very good one. It makes it clear how things were made, that you did it, and that it wasn't automated.
--Rob