This is a utility that will allow you to edit anything you wish in your Pokemon Blue savegame for Gameboy. Simply start the program, and open up your savegame file (usually called "pokeblue.sav"). Make the changes you wish, click OK, and you're done. Get the program here.
If you wish to contact me, you can email me, or you can ICQ me, or you can reach me on EFNet IRC under the /nick of SunTzu7.