I´m using a Hackintosh (PC with a Mac OSX Leopard).
Follow DJTAZ tips (http://gbatemp.net/index.php?showuser=135836).
Get Parallels Desktop (it´s incredible easy).
Run WiiBackupPatcher (DJTAZ) inside Parallels to patch your ISO.
Burn it with Disk Utility (Utilities folder) at low speed.
Works...