Root SGS kernel flasher - error - over and over again

[enigma83]

ok..So i have worked it out ( sort of ) that i can flash kernel via the app SGS kernel flasher ( on XDA and market )
I need to get the 2e recovery mode so i can flash a custom rom.
However , no matter which kernel i download

( [21.12.2010][CF-Root v1.3] JPH/K/6/M/A/O/U/X/Y - su+busybox+2e, CWM compat! - xda-developers )

I keep getting the same error:

any advice?