What is the easiest method for making chocolate molding clay?

As far as I know there is really only 1 method. Melt chocolate, add warm corn syrup, stir, cover in plastic wrap and let it sit overnite.

I think it's usually called chocolate modeling clay:

https://www.google.com/search?q=chocolate+modeling+clay+how+to+make&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a