One interesting Macross fanfiction could be about the untold adventures of the pilots during their off - time. Maybe they discover a hidden planet with unique culture and technology.
There are fan fictions that deal with the relationships between the characters in a different light. For example, a story could center around the love triangle between Hikaru, Misa, and Minmay, but add a new twist. Maybe there's a time - travel element where someone from the future tries to change the outcome of their relationships. Also, some fan fictions might be about the Macross ship itself, like its journey to uncharted regions of space and what strange new civilizations it encounters there.
One interesting Macross Crossover Fanfiction could be one where Macross characters cross over with Gundam characters. They might face off in epic space battles or collaborate to deal with a new, powerful alien threat.
There could be multiple outcomes. First, she could have unfortunately passed away on impact. Second, she might be in a critical condition with multiple fractures, internal bleeding and head trauma. Third, by some miracle, if she landed in a way that reduced the impact and there were people around to immediately provide first aid and call for help, she could potentially recover after a long and difficult treatment process. It really all depends on the exact circumstances of the fall and the immediate response.
I'm not entirely sure what 'rep stl christmas story' specifically refers to. It could be a local Christmas story in St. Louis (STL) perhaps related to some kind of representation (rep) like a performance or a community event.
One interesting Macross Delta fanfiction could be about the characters' backstories before the events of the series. For example, a story exploring Hayate's life as a trainee pilot and his dreams before joining the Delta team.
You can start by searching on popular fanfiction websites like FanFiction.net or Archive of Our Own. Just type 'Macross' in the search bar and browse through the results.