You can start by looking on popular fanfiction websites such as Archive of Our Own (AO3). It has a wide variety of fan - created content, and you can search specifically for Jack Frost and Baby Pooka stories using the search function. Another option is FanFiction.net, which also has a large collection of fanfiction, though the tagging system might be a bit different.
Some Tumblr blogs are dedicated to sharing and discussing fanfiction. Try searching for tags related to Jack Frost and Baby Pooka on Tumblr. There might be bloggers who recommend or even write their own fanfiction about them. You could also check out some specialized fanfiction forums where fans gather to talk about and share their favorite stories in this genre.
There are also some Facebook groups focused on fantasy - related fanfiction. Join these groups and ask for recommendations regarding Jack Frost and Baby Pooka fanfiction. Members are usually quite helpful and can point you in the right direction. Additionally, Wattpad might have some stories, although it has a broader range of content so you may need to do a bit more sifting through.
Perhaps in this form, Jack Frost is befriended by a young human child. The child doesn't realize he's Jack Frost and just thinks he's a really cool and strange little animal. They go on adventures together in the winter wonderland, with Jack Frost using his powers in small, unnoticeable ways at first.
One interesting story could be about Jack Frost teaching Baby Pooka how to create unique ice sculptures. In this fanfiction, Jack Frost uses his powers over ice and snow to show Baby Pooka the beauty of his creations. Another could be a story where they team up to save their magical realm from an encroaching darkness. They use their individual abilities, Jack's cold powers and Baby Pooka's special skills, to fight off the evil forces.
The plot could center around Jack Frost being cursed into his baby pooka form by a mischievous winter spirit. He then has to find a way to break the curse. Along the way, he meets other magical beings who either help or hinder him. For example, a snowman he created in his normal form might come to life and guide him to a magical crystal that has the power to reverse the curse.
Archive of Our Own (AO3) is a great place to start. It has a large collection of fanfictions from various fandoms, and there's a good chance you'll find some 'Jack Frost love Baby Tooth' ones there.
I'm not sure about specific 'Jack Frost is a female Pooka' fanfiction, but you can try searching on fanfiction websites like Archive of Our Own. They usually have a wide variety of fan - made stories based on different concepts.
A great fem Jack Frost Pooka fanfiction that I've come across is 'Fem Jack's Encounter with Pooka'. This fanfic delves deep into the first meeting of the two. The fem Jack Frost is initially wary of the Pooka, but as the story progresses, they learn to trust and rely on each other, all while set against a backdrop of a frozen, enchanted forest.
One common theme is friendship. Since they are two different characters from similar mythological - inspired backgrounds, their journey to become friends is often explored. For example, they might start off as strangers but gradually learn to understand and support each other.
One possible plotline could be her journey in a magical world filled with other mythical creatures. As a female Jack Frost who is also a Pooka, she might struggle to fit in or find her place among the different magical beings.
You can try Archive of Our Own (AO3). It has a large collection of fanfiction, and there are likely many Jack Frost and Elsa stories there. Just use the search function to look for them specifically.
Fanfiction.net is also a great place to search. It has been around for a long time and has a vast number of user - generated stories. Just type in 'Jack Frost and Rapunzel' in the search bar and you'll get a list of relevant fanfictions. However, the quality may vary, so you might need to read a few summaries or reviews if available to find the good ones.