Implements Cheridan's tongue sprites. Oh baby.

code/modules/surgery/organs/organ_internal.dm

@@ -242,7 +242,7 @@
 /obj/item/organ/internal/tongue
 	name = "tongue"
 	desc = "A fleshy muscle mostly used for lying."
-	icon_state = "lungs"
+	icon_state = "tonguenormal"
 	zone = "mouth"
 	slot = "tongue"
 	var/say_mod = null
@@ -263,7 +263,7 @@
 /obj/item/organ/internal/tongue/lizard
 	name = "forked tongue"
 	desc = "A thin and long muscle typically found in reptilian races, apparently moonlights as a nose."
-	icon_state = "lungs"
+	icon_state = "tonguelizard"
 	say_mod = "hisses"
 
 /obj/item/organ/internal/tongue/lizard/TongueSpeech(var/message)
@@ -277,7 +277,7 @@
 /obj/item/organ/internal/tongue/fly
 	name = "proboscis"
 	desc = "A freakish looking meat tube that apparently can take in liquids."
-	icon_state = "lungs"
+	icon_state = "tonguefly"
 	say_mod = "buzzes"
 
 /obj/item/organ/internal/tongue/fly/TongueSpeech(var/message)
@@ -291,7 +291,7 @@
 /obj/item/organ/internal/tongue/abductor
 	name = "superlingual matrix"
 	desc = "A mysterious structure that allows for instant communication between users. Pretty impressive until you need to eat something."
-	icon_state = "lungs"
+	icon_state = "tongueayylmao"
 	say_mod = "gibbers"
 
 /obj/item/organ/internal/tongue/abductor/TongueSpeech(var/message)
@@ -315,7 +315,7 @@
 /obj/item/organ/internal/tongue/zombie
 	name = "rotting tongue"
 	desc = "Between the decay and the fact that it's just lying there you doubt a tongue has ever seemed less sexy."
-	icon_state = "lungs"
+	icon_state = "tonguezombie"
 	say_mod = "moans"
 
 /obj/item/organ/internal/tongue/zombie/TongueSpeech(var/message)
@@ -336,8 +336,8 @@
 
 /obj/item/organ/internal/tongue/alien
 	name = "alien tongue"
-	desc = "Although they largely communicate through a hivemind aliens have unfortunately kept their horrific jaws intact."
-	icon_state = "lungs"
+	desc = "According to leading xenobiologists the evolutionary benefit of having a second mouth in your mouth is \"that it looks badass\"."
+	icon_state = "tonguexeno"
 	say_mod = "hiss"
 
 /obj/item/organ/internal/tongue/alien/TongueSpeech(var/message)