i tried to follow the guide from detlef.
I can compile the kernel (samsung source).
I could not find the firmwarepackage I5500LAR0JP2 from samfirmware.com.
So i take I5500XFJPP instead.
Extract the boot.img from archive.
Create new boot.img with the compiled zImage.
Load the new boot.img as one package with ODIN.
But Phone will not start. I can see splash screen, but then the Phone (i5500) hang.
Please can somone help me.