Additional notes on image/model credits.

mapgen.lua

@@ -444,6 +444,7 @@ local function generate(p_minp, p_maxp, seed)
 
 								if not air_above and stone_type == node["default:sand"] then
 									data[ivm] = node["default:sandstone"]
+									write = true
 									break
 								end
 

textures/image_credits.txt

@@ -0,0 +1,3 @@
+Elephant textures and model: DOOMED <heiselong@gmx.com>
+Original spider textures and model: AspireMint and fishyWET
+Original goblins textures and models: Francisco "FreeLikeGNU" Athens