Truthfully, I'm not sure how someone could be able to make a Pok?mon game in RM2K3. It supposedly is possible, but I don't know how. I guess you would have to know how to hack into the coding and reprogram the battle system. If that's true, it's nothing a novice could do.
Making a Pok?mon CBS in RMXP is difficult enough, but it would probably be a lot easier since the engines are meant to be rescripted.
Edit: Oh yeah. Does anyone know where I can get FR/LG charsets? The official ones.
I could find some of them:
Red (Boy)
Blue (Girl)
Green (Rival)
Daisy
Prof. Oak
Lass
Youngster
Mart Clerk
Nurse
Most of these I had to make myself.
Ones that I want:
Mom
Little Girl
Little Boy
Fat Guy
Lady
Balding Man
Old Man
Old Lady
Gym Leaders
Elite Four
I just reformated my computer, so I lost all the ones I had too. So...