Export your map, then place all files associated with; which includes;
object groups you used (can be found in 'FeralHeart>Media>Objects'
Custom Weather (FeralHeart>Media>Weather)
Custom Sky (FeralHeart>Media>Sky)
And Your own Music (FeralHeart>Media>Music)
it all into a -
'(compressed) .zip folder'.
Upload that folder to mediafire, and your good ta' go! x3.