Some fanfics might have a theme of self - discovery. Both Starlight Glimmer and Trixie have their own insecurities and areas for growth. In these fanfics, their relationship with each other helps them to discover more about themselves, like Starlight learning to be more confident from Trixie's bravado or Trixie learning about the importance of true friendship from Starlight.
Friendship is a very common theme. Since in the My Little Pony world, friendship is highly valued. Their relationship often starts from a place of rivalry or misunderstanding, but through various events, they become friends. For example, they might help each other in a magical quest or face a common enemy together.
There's also 'Starlight and Trixie's Journey'. In this fanfiction, it focuses on how they both help each other overcome their personal insecurities. Starlight Glimmer's past issues with controlling others and Trixie's need for constant attention are addressed. As they work through these problems side by side, their bond strengthens in a really interesting way.
Another option is to join some My Little Pony fan communities, such as on Reddit or Discord. Members often share and recommend their favorite fanfics. They might be able to point you in the direction of some great Starlight Glimmer x Trixie fanfics that you wouldn't find easily on your own.
One common theme is the idea of magic and mystery. Since both twilight and starlight have an air of the unknown, fanfictions often explore this aspect, like how the two might be related in a magical sense.
A common theme is friendship. Since they are characters from the same universe, many fanfictions explore how their friendship grows and develops over time.
In Naruto x Starlight fanfiction, a cool idea could be the sharing of abilities. Maybe the characters from Starlight learn about chakra and start to develop their own forms of it. This could create a whole new dynamic in the story, with both sides learning from each other.
One of the popular pairings could be Naruto and the lead female character from Starlight. Their different personalities and powers can create a lot of chemistry. Naruto's determination and the Starlight character's grace can make for an interesting relationship.
Well, I've come across 'Twilight and Starlight's Union'. In this fanfiction, the author does an amazing job of creating a new universe where Twilight and starlight are intertwined. The descriptions are vivid, making it easy to picture the scenes. It also has some really well - developed characters that add depth to the story.