Before you ask for File help and saying "I have no exports folder, where do I put files help mehhhh" Then this topic is for you!
When I first started on Feralheart, I ended up not having an exports folder, (don't ask why I didn't just re-download the game lol fail) so, with many months of experimenting, I found this out:
When you have a map zipped file and you unzipped it, you find many different files, this is what I do with them:
.fhm file(s) goes into Feralheart>media>terrains
.object file(s) goes into Feralheart>media>objects
.fho file(s) goes into Feralheart>media>objects
.mp3 file(s) goes into Feralheart>media>objects OR Feralheart>media>music
.particle file(s) goes into Feralheart>media>particles
.fhs file(s) goes into Feralheart>media>sky
Hope this helps, if anything does not work, reply and notify and I will figure it out for you!