Yes, he might. Without more specific details, it's hard to be certain, but if the context of 'Ghost Stories' involves a nursery scene, he could be in it.
Well, without having seen the exact nursery scene in 'Ghost Stories', it's difficult to say precisely. He could be playing a protagonist who stumbles upon something strange in the nursery. Maybe he is a father figure or an investigator. If it's a horror - themed story, he might be the victim of the ghostly happenings in the nursery. There are many possibilities depending on the nature of the story.
One popular type is where Martin Freeman's characters are placed in alternate universes. For example, some fanfictions might put John Watson from 'Sherlock' in a modern fantasy world where he has to solve magical crimes. Another could be about his role in 'The Hobbit' and expand on his character's backstory before the events of the movie. There are also fanfictions that explore romantic relationships for his characters that were only hinted at in the original works.
Another way is to join fanfiction communities or forums dedicated to Martin Freeman or the shows he has been in. Fans often share and recommend their favorite fanfictions in these places. They can give you insights on which ones are well - written, have interesting plots, and stay true to the character. You might also find some hidden gems that haven't been widely discovered yet. For example, there could be a small - group - written fanfiction that is really good but not popular on the big platforms.
The unexpected appearances of ghosts are really scary. For example, when a ghost suddenly shows up in front of Martin without any warning. It gives a jolt of fear.
Well, perhaps Martin had an encounter in an abandoned building. He heard disembodied voices calling his name. As he explored further, he saw a shadowy apparition on the stairs. It was a very spooky experience for him. Also, there could be a story where Martin was staying at an old inn and a ghost of a former guest haunted his room, moving objects around.
One of the main themes is heartbreak. The album often reflects on the end of a relationship in a very melancholic way. For example, the lyrics are filled with a sense of loss and longing.