I'm not sure specifically what the 'tigris snow story' is about as it could be a very unique or personal story. It might be a story related to the Tigris region and something to do with snow, perhaps an event or a fable set in that area during a snowy time.
There's no information given to determine who made the 'tigris snow story'. It might have been created by someone who had a deep connection to the Tigris area and was inspired by the snow there. Maybe it was a group of people, like a community that wanted to preserve their experiences during snowy times near the Tigris through a story.
Tigris in The Hunger Games has a story of being on the fringes of the power struggle. She initially minds her own business but is eventually drawn into the conflict and makes choices that have an impact on the outcome.
Tigris is significant as she represents a break from the Capitol's norm. Her character shows that not all in the Capitol are heartless. She was a stylist but she defied the Capitol's cruel ways by helping the rebels.
In 'Hunger Games', Tigris was a former stylist. She had a rather unique appearance with surgically altered features that made her look feline - like. She was someone who had been in the Capitol world but seemed to have her own sense of self. She helped Katniss and the others at some point, providing a safe place perhaps because she was not entirely in line with the Capitol's cruel ways.
Well, one possibility is that Harry could teach Katniss some magic tricks, like how to make a Patronus. And Katniss could show Harry her amazing archery skills. Maybe they'd team up to fight against some new evil force that combines the dark wizards from Harry's world and the Capitol from Katniss's world.
In a fanfiction, they might team up to fight a common enemy. Since Percy has faced many mythological monsters and Katniss is used to fighting the Capitol's forces. They could combine their skills, like Percy's sword - fighting and Katniss's archery, to take on a new, powerful threat that somehow combines the worlds of Greek mythology and the Hunger Games universe. For example, a monster created by the Capitol using ancient magic.
It could be Voldemort who teams up with the Capitol. Voldemort is always looking for power and the Capitol has a lot of resources. Together they could create a really terrifying regime. They might use the Capitol's technology and Voldemort's dark magic to control people.
Well, Katniss meeting Peeta's family in fanfiction could be a really interesting scenario. His family might be a bit wary of her at first, considering the situation they're all in. But as they get to know her, they could start to accept her. There could be some awkward moments, like when they ask her about her life in District 12. And Katniss might be surprised by how normal and loving Peeta's family seems compared to her own family situation. This encounter could strengthen her bond with Peeta in some ways, as she gets more involved in his family life.
Tigris was a stylist. She played a part in getting the tributes ready for the Hunger Games. Her work was related to the Capitol's showmanship around the Games.