diff --git a/bee.lua b/bee.lua
index ce9709d..bb68035 100644
--- a/bee.lua
+++ b/bee.lua
@@ -66,7 +66,6 @@ minetest.register_craftitem(":mobs:honey", {
 minetest.register_node(":mobs:beehive", {
 	description = S("Beehive"),
 	drawtype = "plantlike",
-	visual_scale = 1.0,
 	tiles = {"mobs_beehive.png"},
 	inventory_image = "mobs_beehive.png",
 	paramtype = "light",
@@ -175,7 +174,7 @@ minetest.register_abm({
 		-- is hive full?
 		local meta = minetest.get_meta(pos)
 		if not meta then return end -- for older beehives
-		local inv = minetest.get_meta(pos):get_inventory()
+		local inv = meta:get_inventory()
 		local honey = inv:get_stack("beehive", 1):get_count()
 
 		-- is hive full?
diff --git a/bunny.lua b/bunny.lua
index e2de354..1c882cd 100644
--- a/bunny.lua
+++ b/bunny.lua
@@ -1,6 +1,7 @@
 
 local S = mobs.intllib
 
+
 -- Bunny by ExeterDad
 
 mobs:register_mob("mobs_animal:bunny", {
@@ -68,7 +69,7 @@ mobs:register_mob("mobs_animal:bunny", {
 			})
 
 			self.type = "monster"
-			self.object:set_hp(20)
+			self.health = 20
 
 			return
 		end
@@ -81,16 +82,24 @@ mobs:register_mob("mobs_animal:bunny", {
 	damage = 5,
 })
 
+
+local spawn_on = "default:dirt_with_grass"
+
+if minetest.get_modpath("ethereal") then
+	spawn_on = "ethereal:prairie_dirt"
+end
+
 mobs:spawn({
 	name = "mobs_animal:bunny",
-	nodes = {"default:dirt_with_grass", "ethereal:prairie_dirt"},
+	nodes = {spawn_on},
 	min_light = 10,
 	chance = 15000,
 	min_height = 0,
 	day_toggle = true,
 })
 
+
 mobs:register_egg("mobs_animal:bunny", S("Bunny"), "mobs_bunny_inv.png", 0)
 
--- compatibility
-mobs:alias_mob("mobs:bunny", "mobs_animal:bunny")
+
+mobs:alias_mob("mobs:bunny", "mobs_animal:bunny") -- compatibility
diff --git a/chicken.lua b/chicken.lua
index ad2f722..11cc4b7 100644
--- a/chicken.lua
+++ b/chicken.lua
@@ -1,6 +1,7 @@
 
 local S = mobs.intllib
 
+
 -- Chicken by JK Murray
 
 mobs:register_mob("mobs_animal:chicken", {
@@ -79,9 +80,16 @@ mobs:register_mob("mobs_animal:chicken", {
 	end,
 })
 
+
+local spawn_on = "default:dirt_with_grass"
+
+if minetest.get_modpath("ethereal") then
+	spawn_on = "ethereal:bamboo_dirt"
+end
+
 mobs:spawn({
 	name = "mobs_animal:chicken",
-	nodes = {"default:dirt_with_grass", "ethereal:bamboo_dirt"},
+	nodes = {spawn_on},
 	min_light = 10,
 	chance = 15000,
 	active_object_count = 2,
@@ -89,10 +97,12 @@ mobs:spawn({
 	day_toggle = true,
 })
 
+
 mobs:register_egg("mobs_animal:chicken", S("Chicken"), "mobs_chicken_inv.png", 0)
 
--- compatibility
-mobs:alias_mob("mobs:chicken", "mobs_animal:chicken")
+
+mobs:alias_mob("mobs:chicken", "mobs_animal:chicken") -- compatibility
+
 
 -- egg entity
 
@@ -158,6 +168,7 @@ mobs:register_arrow("mobs_animal:egg_entity", {
 	end
 })
 
+
 -- egg throwing item
 
 local egg_GRAVITY = 9
@@ -207,6 +218,7 @@ local mobs_shoot_egg = function (item, player, pointed_thing)
 	return item
 end
 
+
 -- egg
 minetest.register_node(":mobs:egg", {
 	description = S("Chicken Egg"),
@@ -232,6 +244,7 @@ minetest.register_node(":mobs:egg", {
 	on_use = mobs_shoot_egg
 })
 
+
 -- fried egg
 minetest.register_craftitem(":mobs:chicken_egg_fried", {
 description = S("Fried Egg"),
diff --git a/cow.lua b/cow.lua
index 301a5f1..bf41a3d 100644
--- a/cow.lua
+++ b/cow.lua
@@ -1,6 +1,7 @@
 
 local S = mobs.intllib
 
+
 -- Cow by Krupnovpavel (additional texture by JurajVajda)
 
 mobs:register_mob("mobs_animal:cow", {
@@ -97,9 +98,16 @@ mobs:register_mob("mobs_animal:cow", {
 	end,
 })
 
+
+local spawn_on = "default:dirt_with_grass"
+
+if minetest.get_modpath("ethereal") then
+	spawn_on = "ethereal:green_dirt"
+end
+
 mobs:spawn({
 	name = "mobs_animal:cow",
-	nodes = {"default:dirt_with_grass", "ethereal:green_dirt"},
+	nodes = {spawn_on},
 	min_light = 10,
 	chance = 15000,
 	min_height = 0,
@@ -107,10 +115,12 @@ mobs:spawn({
 	day_toggle = true,
 })
 
+
 mobs:register_egg("mobs_animal:cow", S("Cow"), "default_grass.png", 1)
 
--- compatibility
-mobs:alias_mob("mobs:cow", "mobs_animal:cow")
+
+mobs:alias_mob("mobs:cow", "mobs_animal:cow") -- compatibility
+
 
 -- bucket of milk
 minetest.register_craftitem(":mobs:bucket_milk", {
diff --git a/kitten.lua b/kitten.lua
index 08b86d2..59e057a 100644
--- a/kitten.lua
+++ b/kitten.lua
@@ -1,6 +1,7 @@
 
 local S = mobs.intllib
 
+
 -- Kitten by Jordach / BFD
 
 mobs:register_mob("mobs_animal:kitten", {
@@ -53,9 +54,16 @@ mobs:register_mob("mobs_animal:kitten", {
 	end
 })
 
+
+local spawn_on = "default:dirt_with_grass"
+
+if minetest.get_modpath("ethereal") then
+	spawn_on = "ethereal:grove_dirt"
+end
+
 mobs:spawn({
 	name = "mobs_animal:kitten",
-	nodes = {"default:dirt_with_grass", "ethereal:grove_dirt"},
+	nodes = {spawn_on},
 	min_light = 12,
 	chance = 22000,
 	min_height = 0,
@@ -63,7 +71,8 @@ mobs:spawn({
 	day_toggle = true,
 })
 
+
 mobs:register_egg("mobs_animal:kitten", S("Kitten"), "mobs_kitten_inv.png", 0)
 
--- compatibility
-mobs:alias_mob("mobs:kitten", "mobs_animal:kitten")
+
+mobs:alias_mob("mobs:kitten", "mobs_animal:kitten") -- compatibility
diff --git a/penguin.lua b/penguin.lua
index f840083..b7748ed 100644
--- a/penguin.lua
+++ b/penguin.lua
@@ -1,6 +1,7 @@
 
 local S = mobs.intllib
 
+
 -- Penguin by D00Med
 
 mobs:register_mob("mobs_animal:penguin", {
@@ -58,6 +59,7 @@ mobs:register_mob("mobs_animal:penguin", {
 	end,
 })
 
+
 mobs:spawn({
 	name = "mobs_animal:penguin",
 	nodes = {"default:snowblock"},
@@ -67,4 +69,5 @@ mobs:spawn({
 	day_toggle = true,
 })
 
+
 mobs:register_egg("mobs_animal:penguin", S("Penguin"), "default_snow.png", 1)
diff --git a/rat.lua b/rat.lua
index 47dccdf..3320d53 100644
--- a/rat.lua
+++ b/rat.lua
@@ -1,6 +1,7 @@
 
 local S = mobs.intllib
 
+
 -- Rat by PilzAdam
 
 mobs:register_mob("mobs_animal:rat", {
@@ -57,6 +58,7 @@ mobs:register_mob("mobs_animal:rat", {
 ]]
 })
 
+
 local function rat_spawn(self, pos)
 	print (self:get_luaentity().name, pos.x, pos.y, pos.z)
 end
@@ -70,10 +72,12 @@ mobs:spawn({
 --	on_spawn = rat_spawn,
 })
 
+
 mobs:register_egg("mobs_animal:rat", S("Rat"), "mobs_rat_inventory.png", 0)
 
--- compatibility
-mobs:alias_mob("mobs:rat", "mobs_animal:rat")
+
+mobs:alias_mob("mobs:rat", "mobs_animal:rat") -- compatibility
+
 
 -- cooked rat, yummy!
 minetest.register_craftitem(":mobs:rat_cooked", {
diff --git a/sheep.lua b/sheep.lua
index 20ce8e0..8637ef7 100644
--- a/sheep.lua
+++ b/sheep.lua
@@ -1,6 +1,7 @@
 
 local S = mobs.intllib
 
+
 local all_colours = {
 	{"black",      S("Black"),      "#000000b0"},
 	{"blue",       S("Blue"),       "#015dbb70"},
@@ -19,9 +20,10 @@ local all_colours = {
 	{"yellow",     S("Yellow"),     "#e3ff0070"},
 }
 
+
 -- Sheep by PilzAdam, texture converted to minetest by AMMOnym from Summerfield pack
 
-for _, col in pairs(all_colours) do
+for _, col in ipairs(all_colours) do
 
 	mobs:register_mob("mobs_animal:sheep_"..col[1], {
 		type = "animal",
@@ -180,9 +182,16 @@ for _, col in pairs(all_colours) do
 
 end
 
+
+local spawn_on = "default:dirt_with_grass"
+
+if minetest.get_modpath("ethereal") then
+	spawn_on = "ethereal:green_dirt"
+end
+
 mobs:spawn({
 	name = "mobs_animal:sheep_white",
-	nodes = {"default:dirt_with_grass", "ethereal:green_dirt"},
+	nodes = {spawn_on},
 	min_light = 10,
 	chance = 15000,
 	min_height = 0,
@@ -190,5 +199,5 @@ mobs:spawn({
 	day_toggle = true,
 })
 
--- compatibility
-mobs:alias_mob("mobs:sheep", "mobs_animal:sheep_white")
+
+mobs:alias_mob("mobs:sheep", "mobs_animal:sheep_white") -- compatibility
diff --git a/warthog.lua b/warthog.lua
index 75c0713..436e468 100644
--- a/warthog.lua
+++ b/warthog.lua
@@ -1,6 +1,7 @@
 
 local S = mobs.intllib
 
+
 -- Warthog by KrupnoPavel
 
 mobs:register_mob("mobs_animal:pumba", {
@@ -56,9 +57,16 @@ mobs:register_mob("mobs_animal:pumba", {
 	end,
 })
 
+
+local spawn_on = "default:dirt_with_grass"
+
+if minetest.get_modpath("ethereal") then
+	spawn_on = "ethereal:mushroom_dirt"
+end
+
 mobs:spawn({
 	name = "mobs_animal:pumba",
-	nodes = {"default:dirt_with_dry_grass", "ethereal:mushroom_dirt"},
+	nodes = {spawn_on},
 	min_light = 10,
 	chance = 15000,
 	min_height = 0,
@@ -66,10 +74,12 @@ mobs:spawn({
 	day_toggle = true,
 })
 
+
 mobs:register_egg("mobs_animal:pumba", S("Warthog"), "wool_pink.png", 1)
 
--- compatibility
-mobs:alias_mob("mobs:pumba", "mobs_animal:pumba")
+
+mobs:alias_mob("mobs:pumba", "mobs_animal:pumba") -- compatibility
+
 
 -- raw porkchop
 minetest.register_craftitem(":mobs:pork_raw", {