wrong firmware

[dmallen79]

trying to jailbreak my iphone 4 from verizon 4.2.8 and im using pwnage and keep getting "wrong firmware bundle" I tried to use the ones that are listed everywhere and they dont work, Please help what am I doing wrong

Edit: My version is 4.2.8 (8E401)
Modem Firmware is 1.0.06 if this helps

 

[gray_mouse]

what's the name of your .ipsw file?

 

[dmallen79]

Like I said before, comp idiot and I don't know what that means