you can do it easily by yourself, download my wii-tools pack:
http://rapidshare.com/files/102211948/odec...-tools.rar.html
then follow these steps after making copy of the iso:
1. reg wiikeyset.reg in trucha021
2. use trucha on iso (keyset: Custom KeySet 1)
3. extract partition 2 -> SYSFILES...