diff --git a/README.txt b/README.txt
index e28227b..393a475 100644
--- a/README.txt
+++ b/README.txt
@@ -1,4 +1,4 @@
-watershed 0.2.10 by paramat
+watershed 0.2.11 by paramat
 For latest stable Minetest back to 0.4.8
 Depends default
 Licenses: code WTFPL
\ No newline at end of file
diff --git a/functions.lua b/functions.lua
index e31144c..ba81ceb 100644
--- a/functions.lua
+++ b/functions.lua
@@ -66,29 +66,43 @@ end
 function watershed_jungletree(x, y, z, area, data)
 	local c_juntree = minetest.get_content_id("default:jungletree")
 	local c_wsjunleaf = minetest.get_content_id("watershed:jungleleaf")
-	local c_wsvine = minetest.get_content_id("watershed:vine")
-	for j = -5, 17 do
-		if j == 11 or j == 17 then
-			for i = -2, 2 do
+	local c_vine = minetest.get_content_id("watershed:vine")
+	local top = math.random(17,23)
+	local branch = math.floor(top * 0.6)
+	for j = -5, top do
+		if j == top or j == top - 1 or j == branch + 1 or j == branch + 2 then
+			for i = -2, 2 do -- leaves
 			for k = -2, 2 do
-				local vil = area:index(x + i, y + j + math.random(0, 1), z + k)
+				local vi = area:index(x + i, y + j, z + k)
 				if math.random(5) ~= 2 then
-					data[vil] = c_wsjunleaf
+					data[vi] = c_wsjunleaf
 				end
 			end
 			end
-		elseif j >= 0 then
+		elseif j <= -1 or j == top - 2 or j == branch then -- branches, roots
 			for i = -1, 1 do
 			for k = -1, 1 do
-				if math.abs(i) + math.abs(k) == 1 then
-					local viv = area:index(x + i, y + j, z + k)
-					data[viv] = c_wsvine
+				if math.abs(i) + math.abs(k) == 2 then
+					local vi = area:index(x + i, y + j, z + k)
+					data[vi] = c_juntree
 				end
 			end
 			end
 		end
-		local vit = area:index(x, y + j, z)
-		data[vit] = c_juntree
+		if j >= 0 and j <= top - 3 then -- climbable nodes
+			for i = -1, 1 do
+			for k = -1, 1 do
+				if math.abs(i) + math.abs(k) == 1 then
+					local vi = area:index(x + i, y + j, z + k)
+					data[vi] = c_vine
+				end
+			end
+			end
+		end
+		if j >= -1 and j <= top - 3 then -- trunk
+			local vi = area:index(x, y + j, z)
+			data[vi] = c_juntree
+		end
 	end
 end
 
diff --git a/init.lua b/init.lua
index 8aac0b4..d43a161 100644
--- a/init.lua
+++ b/init.lua
@@ -1,32 +1,32 @@
--- watershed 0.2.10 by paramat
+-- watershed 0.2.11 by paramat
 -- For latest stable Minetest and back to 0.4.8
 -- Depends default
 -- License: code WTFPL
 
--- 0.2.10
--- flower colour areas
--- faults and cliffs
--- desert stone as a thin density layer
--- climbable jungletrees
+-- 0.2.11
+-- water special tiles re-added
+-- import jungletrees from rainforest mod
+-- XLSAMP set, TERCEN reset, for continent / archipelago testing
 
 -- TODO
 -- fog
--- jungletrees from rainforest mod
+-- singlenode y = 0 realm option
+-- lava, it's own tapering fissure system?
 
 -- Parameters
 
 local YMIN = 6000 -- Approximate base of realm stone
 local YMAX = 8000 -- Approximate top of atmosphere / mountains / floatlands
-local TERCEN = 6960 -- Terrain 'centre', average seabed level
+local TERCEN = 6864 -- Terrain 'centre', average seabed level
 local YWAT = 7024 -- Sea level
 local YCLOUD = 7152 -- Cloud level
 
 local TERSCA = 384 -- Vertical terrain scale
-local XLSAMP = 0 -- Extra large scale height variation amplitude
+local XLSAMP = 0.4 -- Extra large scale height variation amplitude
 local BASAMP = 0.4 -- Base terrain amplitude
 local CANAMP = 0.6 -- Canyon terrain amplitude
 local CANEXP = 1.33 -- Canyon shape exponent
-local ATANAMP = 1.2 -- Arctan function amplitude, controls size and number of floatlands / caves
+local ATANAMP = 1.2 -- Arctan function amplitude, smaller = more and larger floatlands above ridges
 
 local TSTONE = 0.02-- 0.02 -- Density threshold for stone, depth of soil at TERCEN
 local TRIV = -0.015 -- Maximum densitybase threshold for river water
diff --git a/nodes.lua b/nodes.lua
index 55d6cda..3d83cf3 100644
--- a/nodes.lua
+++ b/nodes.lua
@@ -151,7 +151,19 @@ minetest.register_node("watershed:water", {
 	inventory_image = minetest.inventorycube("default_water.png"),
 	drawtype = "liquid",
 	tiles = {
-		{name="default_water_source_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}}
+		{
+			name="default_water_source_animated.png",
+			animation={type="vertical_frames",
+			aspect_w=16, aspect_h=16, length=2.0}
+		}
+	},
+	special_tiles = {
+		{
+			name="default_water_source_animated.png",
+			animation={type="vertical_frames",
+			aspect_w=16, aspect_h=16, length=2.0},
+			backface_culling = false,
+		}
 	},
 	alpha = WATER_ALPHA,
 	paramtype = "light",