Now I'm reading that custom portraits can only be imported through more unofficial means by replacing main game files (edit: custom portraits are actually pretty easy to import, so scratch that point). I know custom art is pretty much the same (although there should be an unofficial work around for that soon enough). I was messing around with the editor and couldn't find out how to replace music tracks with custom music, so I googled around and it turns out you can't as its 'too deep within the unity engine' to be made possible. Something that is concerning to me is just how customisable the editor really is.
