Look in the Rom Hacking Resources thread, I'm pretty sure somebody posted one a while ago. But doing it yourself doesn't take as long as you would think.
YAPE to decapitalize the pokemon names.
Download "Move Editor" which has an option to decapitalize all the moves for you.
A-text for things such as "RUN" and "FIGHT"
Item editors can easily do the items.
This way you can modify it without the possibility of your work being messed up...