RPG Icons, for the character sprites.
Cidolfas, for a hint about the Lunar Rod and another about raising cash near the ending (I did know about the latter, but thanks anyway).
Hiryuu, for a suggestion about the maps section and the buy/sell idea :P.
Andrew Dean, for his awesome Debug Room FAQ.
Harrydannypotter, for a tip on how to get Lite Alloys during the game.