Hi 8-bit fan,
I've been out of the loop for several months, so I just stumbled on this thread.
Looks like you've done some fun stuff with the game!
I see you did some world map editing, which (last I knew anyway) can't be done on ff4kster. Did you use ffed for that? Or has some new tool been developed since I last checked for world map editing?
Regarding the new spells, did you toy with existing animation routines in ff4kster, or did you do some fancy hex editor work? That Bomb's spell... Looks like it might be a manipulation of the mist dragon's animation?
If you were interested in changing any of the summoned monsters (that is, changing which monster gets summoned) (lookin' at you, imp!), and needed any help, I did document a process for that a few years back. Depending on your level of experience, it seems a bit complicated at first, but isn't that difficult once you get going with it. The whole thing was up on the slick forum, which I think has been down for a while, but I've got txt docs with all of the info if you were interested.