One common theme could be the clash of different worlds. Since Naruto is a ninja - based world and Trigun has its own unique post - apocalyptic - ish world, seeing how the characters from both interact and deal with the differences in cultures and powers is often explored.
I'm not entirely sure which specific 'naruto trigun gun fanfic' are the best. However, you can also try checking out some fanfic forums. There, fans might discuss and recommend their favorite fics that involve these three elements. You could also ask around on social media platforms dedicated to Naruto or Trigun fans.
Overall, Trigun Stampede adheres closely to the manga. Some minor details might differ for the sake of the adaptation's flow and visual presentation, but the core remains the same.
The Trigun manga has a considerable length. It consists of multiple volumes and chapters, but the exact number can vary depending on the specific edition and printing.
Well, both have their merits. The Trigun anime can provide a more immersive experience with its soundtrack and movement. The manga, on the other hand, gives you a chance to savor the original author's detailed illustrations and storytelling.