DanyL from PSX-Scene has released an EASY and newb friendly program to add PSGroove on iPod devices (and various others including: sansa E200v1, E200R, C200v1).
I built a small program that allows easy installation of PSGroove on iPod devices.
It’s still in beta and it lacks of automatic installation of iPL.
But it works pretty well.
Thanks to condorstrike for the tip