Give the Joke Shop a dark stucco wall and a photo-anchored concept

docs/screens/boards/jokeshop-day-board.json

@@ -1,7 +1,7 @@
 {
   "board": "jokeshop-day-board.jpg",
-  "caption": "Joke Shop, day: licensed photo | generated concept | current capture",
+  "caption": "Joke Shop frontage, day. Photo: public domain 2006. Concept: photo-anchored (hillside frame). Capture: dark stucco wall tile.",
   "photo": "docs/screens/refs/joke-shop/comedy-store-frontage-palms-day-pd-2006-12-29.jpg",
-  "concept": "docs/screens/concepts/joke_shop/joke_shop_entrance_day.png",
+  "concept": "docs/screens/concepts/joke_shop/joke_shop_entrance_day-v2.png",
   "capture": "docs/screenshots/12-joke-shop.png"
 }