The only forested area in FFVI is the Phantom Forest and that didn't have a conventional map design to begin with.
FFV iOS, the tiles are pretty anti-aliased and the maps are full of extra effects like overlays so they'd need to be ripped via the files and I don't think that's possible just yet. I'll always be looking, though.
But let's stay focused on the task at hand: making some nice maps with what we have.