I like those cars, they're begging for heavy flake and lace paint. ?
Surrealistic art isn't necessarily inspired by chemicals, or at least not the types you ingest. Did you ever see Walter Anderson's house over in Ocean Springs? We went there in the '80s. His old spiral notebooks filled with watercolor art were still there and we got to leaf through them. It is absolutely amazing! Anderson was eccentric to be sure but I don't think he was known to use illicit drugs.
OTOH, several years later I visited an old riding buddy I'd lost touch with for a couple of decades. He wanted to show me the music room he'd put together in an old building behind his house. The walls, ceiling, and part of the floor was covered with art and poetry. I'd always known he was artistic but this was really something to see. He dismissed it as "doper crap" he'd done while under the influence. I was immediately reminded of Walter Anderson's house. Similar results, different causalities. I wish I'd taken pictures of my old friend's place. I doubt I'll ever see him or it again.
http://directionofourdreams.blogspot.com/2013/05/walter-andersons-little-room.html
edit: I just looked it up and they've removed that room and put it in the museum. At least it saved it from Katrina.