DBZ: Earth's Special Forces help!!!?

I downloaded ESF 1.2.3 and it works perfectly, i also download the ECX mod and it enhanced the graphic but i can't access all the new characters, just the 6 or 7 cles in the original. I also installed big pack 8.4 but i can't tell if it even works. and i can't use the powerlevel changer. someone please help!