Multipro programmer, need a hex prog

hey guyes, i just bought a Multipro programmer (usb-version), and a gold card..
My problem is that i do not have a hex program to edit/fix cod*s.. now where can i dl a good hex prog for the job?

edit: im a extreme noob at this atm.
all i do know is that i can read my from my card, and ive figured out where to get the keys.
now i need a hex editor, also called eeprom?
thx for your help.

Can some1 send me a hexfiles with keys @
so i know how to fix it my self next time?
thx again