Also, what do you mean by there not being a dol file? You have to open up a few folders to find it, but it's all there in [5948]cBoot2_v16.tgz.gz\cBoot2_v16.tgz\cBoot2\sdroot\apps\cBoot2Installer\boot.dol
Just put everything inside the sdroot folder on your SD Card and run the installer in the HBC.
Just put everything inside the sdroot folder on your SD Card and run the installer in the HBC.