Popslash
The Earl of Rothinghamtonfordshire, by Jae, in which Nick writes a book. Well, fifteen pages isn't really—this version has a stereo effect to differentiate some of the voices (a bit), but if that doesn't work for you, this version is more straightforward.
Naked Christmas, by Ephemera and NoPseud, in which Lance doesn't go home for Christmas. Here.
The Kebbabery, by Ephemera, in which Joey dispenses food, and Justin drools. Here.
The infamous Add Five Words Story, Camp Sparkle 2013, here
Other fandoms
Pleasures Real and Imagined (Top Gear) by Bessemerprocess. In which Richard Hammond snoops in James' drawer, and finds a set of schematics to something that does not resemble any car he has ever seen. Here
The Hamster Prince (Bandom, My Chemical Romance) by Starflowers In which there is love, and confusion, and Mikey wakes up as a hamster. Here
Recorded for the Pod Together Challenge
The Hufflepuff Hotchpotch, by Eledhwenlin (Harry Potter/Bandom) in which Spencer and Brendon are aurors on a case. The audio link is on AO3 with the story file.
Contamination Issues by elistaire (The Avengers, Tony/Bruce). In which two notorious scientists visit Dr Rosaline Elliott's laboratory, which she could well do without. The audio link is on AO3 with the story file.
Let the Cat out of the Bag, by lizibabes (Adam Lambert/Tommy Ratliffe), in which things get uncomfortable during rehearsal, and Tommy's problem becomes obvious. The audio link is on AO3 with the story file.
The Voice in the Night, by flipflop_diva (Hermione Granger/Harry Potter, Fred Weasley), in which Hermione is haunted by an old friend. Here.
The Profile Piece by Theaspiebandit (Discworld, Sam Vimes) a cub reporter writes an article about Ankh-Morpork's most famous Watchman. Here.
A Contingency of Geese by Dapatty (Agent Peggy Carter, featuring Peggy, Angie, Jarvis) a lazy day in the park. Here.