Basically, if there's no WHDLoad installer and you want to install it to the hard disk, you need to write a WHDLoad slave yourself. There are some JST installers but WHDLoad has most of them covered anyway.
99% of the games that you find will be NDOS disks, so won't be able to be copied to your hard disk at all, and 99% of those that aren't NDOS will have their own installers anyway.
Effectively, you need WHDLoad. No WHDLoad = no HD install.
