I'm not sure of a specific one off the top of my head, but generally, a good 'Weasleys' Watch Deathly Hallows' fanfiction would focus on the Weasley family's role during that dark time. It could show how they coped with the danger, like Molly Weasley protecting her family even more fiercely. Maybe it would include details about how they helped Harry in their own ways, such as providing a safe haven at the Burrow or passing on important information. It could also explore the relationships within the family, like the twins' antics even in the midst of war.
One great fanfiction could be 'The Weasleys' New Adventures After Deathly Hallows'. It explores how the Weasley family adjusts to the post - war world and has some really heartwarming moments with their relationships. Another one might be 'Weasleys in the Hidden Corners of Deathly Hallows' which delves deeper into some of the side stories of the Weasleys during the events of Deathly Hallows that the original book might not have fully explored.
You can try websites like Fanfiction.net or Archive of Our Own (AO3). These platforms have a large collection of fanfictions, and you can search specifically for 'Weasleys' Watch Deathly Hallows' fanfictions using their search bars.
You can start by looking on fanfiction.net. It has a large collection of Harry Potter fanfictions, and you're likely to find many that involve the Weasleys reading or being related to Deathly Hallows. Another option is Archive of Our Own (AO3). It has a great tagging system, so you can search for 'Weasleys' and 'Deathly Hallows' related tags to find the fanfictions you want.
A lot of fanfictions focus on Ron and Hermione's post - Deathly Hallows life. For example, how they adjust to normal life after all the chaos. They might struggle with things like Ron trying to find a proper job in the wizarding world and Hermione helping him. Their relationship might also face some new challenges, like dealing with family expectations, which makes for an interesting read.
One interesting fanfiction could be about Draco's role in the search for the Deathly Hallows. Maybe he has a change of heart and decides to help Harry in a secret way. For example, he might use his knowledge of the Dark Arts to counteract some of Voldemort's plans related to the Hallows.
There are fanfictions that look at the post - Deathly Hallows world from the perspective of new characters. For instance, a story about a young witch or wizard who starts at Hogwarts years after the war and discovers some hidden secrets that were left over from the events in the books. Another type of fanfiction could be about the rebuilding of Hogwarts itself. How the school is being renovated and improved, and the stories of the workers and students involved in this process. Some fanfictions also focus on the magical creatures that were affected by the war, like how the centaurs and the house - elves are adapting to the new world order.
One great 'Harry and Ginny post Deathly Hallows' fanfiction could be one where they are rebuilding the wizarding world together. They might be facing the challenges of healing the scars left by the war, like helping orphaned children and restoring Hogwarts. Harry could be using his influence to reform the Ministry of Magic, and Ginny would be by his side, using her own skills and popularity from her Quidditch days to bring the wizarding community together.
One interesting fanfiction could be one where Harry and Hermione go on a side quest during the search for Horcruxes. In this story, they might encounter a long - lost magical creature that holds a key to understanding the Deathly Hallows better. It could add a whole new layer of adventure to their journey.
Well, in some fanfictions, Draco Malfoy is depicted as a key figure in the events of the Deathly Hallows. For example, there's a story where he discovers a hidden power within the Deathly Hallows that can reverse all the dark magic Voldemort has spread. He has to go through a series of trials and face his own demons in order to unlock this power. And then there are fanfictions that explore his relationship with other characters like Hermione during the Deathly Hallows time, adding a new dimension to the story.
One popular 'Deathly Hallows' fanfic is 'The Boy Who Lived' by an author on FanFiction.net. It gives a different perspective on Harry's life after the events of 'Deathly Hallows'.