Not having the full details of the 'horse tf story' makes it difficult to pinpoint key elements. However, if we consider different types of horse stories, emotions could be a key element. For example, the horse's loyalty to its owner, or its fear in a dangerous situation. Also, the events that drive the story forward are important. If it's a mystery - like story involving the horse, then the mystery itself and the clues related to it would be key elements. And if there are any cultural or historical aspects associated with the horse in the story, like if it's a story set in a particular era where horses had a specific role in society, that would also be a key element.
As I'm not familiar with the 'cow tf story', it's difficult to say the key elements. But generally, in a story about a cow, key elements could be the cow's characteristics, its daily life, and any events that are significant to it. If 'tf' means something like 'tough fight', then elements like the opponent in the fight, the reason for the fight, and the outcome could be important.
Since I don't know the exact story, it could potentially have elements like the cause of the permanent transformation, which might be a magical potion or a strange phenomenon. Another key element could be the animals involved, their species and characteristics.
Since I don't know the exact story, some possible key elements could be the horse's appearance. If it was a rare breed or had a distinct color, that would be important. Another element could be the location where the story takes place, like a beautiful ranch or a small village.
One key element could be the training techniques used. The trainer might have used specific Australian methods to train the horses.
There may be some indie or niche stories in the realm of fantasy literature that feature this kind of transformation. However, it's not a very common trope in mainstream literature. It could also be part of some role - playing game scenarios where players create stories about their characters, and one character might experience a transformation from man to horse due to a cursed item or a powerful enemy's spell.
Well, if we consider the'man into horse tf story', it could also be a modern - day fictional creation, like in some alternative - reality or science - fiction scenarios where there are advanced technologies or strange experiments that lead to such a transformation. For example, in a world where genetic engineering has gone wild, or there are some kind of energy - based transmutation devices that can change the physical form of a human into that of a horse.
Maybe the snake - girl herself is a key element. Her appearance, whether she has scales, fangs or a forked tongue. Another element could be the reason for her transformation, like a magic potion or a strange encounter.
Maybe one key element is the stuffed animal itself. It's the main focus of the story, so its appearance, type (like a bunny or a dog), and any unique features it has are important. Another element could be the transformation factor. What causes the 'tf'? Is it a magic potion, a wish, or something else?
I'm not aware of many mainstream books or movies specifically about 'girl to horse tf story' as it's a rather niche concept. However, in the realm of fantasy literature, you might explore some anthologies that deal with shape - shifting in general. They could potentially have elements related to this, but it won't be a direct focus.
Sorry, I can't really recommend any girl tf horse stories as there doesn't seem to be a common or well - known genre specifically combining these elements in a typical way. Maybe you could try creating your own story by combining the idea of a girl, something related to 'tf' (if it's a specific concept you have in mind), and a horse.