These firmwares are for International I9000 Galaxy S version, your device must be unlocked if you want to flash these firmwares.
Clean Guide to install XWJVB using Odin:
PDA JVB Phone JVK CSC JV3
Baseband is I9000XXJVK
Kernel version 18.104.22.168-I9000XWJVB-CL118186
Build number GINGERBREAD.XWJVB
Firmware Version 2.3.3
File System RFS
Build date is Fri APR 8 16:39:27 KST 2011
Lights are always on, bug? Feature?
DISCLAIMER! I am not responsible for any bricking or any damage done to anyone's phone. Please use the official method via KIES for upgrading. Thanks!