The pancakes sound worth trying.
I've messed around with the basic flavors in trying to do different desserts, but nothing beats the original. For example, I tried to do a s'more brownie. It was good, but it wasn't a s'more. When I've done the original, I have made my own graham crackers and marshmallows.
I've wanted to do ice cream. There are some s'more ice creams, but they've gotten it wrong. They do a chocolate ice cream, the base, with chunks of marshmallow and graham. That's the wrong flavor profile. The base is graham, not chocolate. I've also found that toasted marshmallow (and perhaps especially Kraft Jet-puffed which is what I grew up with and expect) is a very different flavor than marshmallow.