Well you can find that all the bigger western Hognose breeders have some sort of list/pictures or even a written example of the different morphs. These breeders can be found on many different sites such as kingsnake just look at the top of the page and you will see there banners.
There is one site i have not been to in some time i tried to search for it but no luck its the best one i seen so far has pic & example of each morph. Try to google western hognose morphs.
As for the Toffeebelly there name say's it all well just about. If you were to see a pic there belly's are amazing and a toffee color. They also show paradox from very small spots to alot.
Hope this help and good luck
Albert L