One plot idea could be them going on an adventure together to discover a new type of magic in Equestria. Another could be Timber helping Twilight with a difficult spell she's been trying to master.
A really interesting plot could be that Twilight Sparkle and Timber Spruce get accidentally transported to a different dimension. In this new place, they have to work together to find a way back home. Along the way, they learn more about each other's strengths and weaknesses. Maybe Timber has some skills that are useful in this strange dimension that Twilight doesn't have, and vice versa. They also encounter new and strange creatures that they have to deal with, which could lead to some really exciting and tense moments in the fanfiction.
A fanfiction could explore a scenario where Twilight invites Timber Spruce to her world in Ponyville. He gets to experience all the unique aspects of Equestria, like the different pony tribes and their cultures, and in the process, they develop a deeper friendship.
The most interesting aspect is the clash of their two worlds. Timber from a more human - centric world and Twilight from Equestria. Their different ways of thinking and approaching problems make for engaging stories. For example, Twilight's magic - based solutions might seem strange to Timber at first, and vice versa. This creates a great dynamic for the plot.
One popular Timber Spruce and Twilight Sparkle fanfiction is 'The Meeting of Two Worlds'. It beautifully weaves their different personalities together in an adventure. Another great one could be 'Spruce and Sparkle's Friendship Quest' which focuses on how they build a strong bond in a magical land filled with challenges. And there's also 'Twilight and Timber: A New Alliance' that shows them teaming up against a common enemy in a really exciting way.
Finding fanfiction about Twilight Sparkle and Timber Spruce can be a bit of a hunt. You could start by looking at Tumblr. There are many MLP fans on Tumblr who create and share fan content, including fanfictions. Also, keep an eye on YouTube. Some YouTubers might review or recommend fanfictions in the MLP fandom, which could lead you to ones about Twilight and Timber.
Begin with a strong opening scene that grabs the reader's attention. It could be a dramatic moment like Twilight getting into trouble and Timber Spruce coming to her rescue. Then, start to build the plot gradually, introducing conflicts and challenges that they have to overcome together, such as dealing with an evil force that wants to disrupt the harmony between their two worlds.
Well, a great plot could be Twilight Sparkle as an Alicorn going on a journey to discover the origin of Alicorn magic. This could involve her meeting ancient Alicorn spirits and learning secrets about her own powers. Or perhaps she gets caught in a time - loop where she has to repeatedly use her Alicorn powers to break free and figure out what's causing it. It could also be interesting if she has to teach other ponies how to use Alicorn - related magic.
One plot idea could be Twilight Sparkle getting cold feet before the wedding and her friends having to reassure her. Another could be a magical mishap during the ceremony that causes chaos but in the end makes the wedding even more special. Maybe an old enemy tries to disrupt the wedding but Twilight's love for her partner overcomes all obstacles.
One idea could be that Prince Blueblood has to team up with Twilight Sparkle to solve a mystery in Canterlot. Maybe a series of magical artifacts are disappearing and their combined knowledge and skills are needed to figure out who is behind it.
A plot could involve a race between Thomas and one of Twilight's flying friends. Twilight has to referee and make sure it's a fair race. Along the way, they discover that there are some dark forces trying to disrupt the race, and they have to work together to stop them and ensure the race is completed successfully.
A plot could involve Flash Sentry and Twilight Sparkle teaming up to organize a magical event in Equestria. However, things go wrong when a jealous pony tries to sabotage their plans. They must then work together to overcome the obstacles, find the culprit, and still make the event a success. This would show their problem - solving skills and how their different personalities complement each other.