We had a rather rude awakening early this morning when, strange-tripping through the pre-dawn darkness from the house to the shop, a rogue (may we say "mad"?) Angus cow suddenly materialized from the shadows, hell-bent upon tossing your author through the air and rolling him ignominiously in the gravel. Was it something I said? Or wrote?
For the story behind the painting, you'll need to visit Salvador Dali's site.