I don't think it goes with the "candy bar" theme, and would detract from it. Then you'd have just a bunch of random stuff for people to take. Stick with either the candy bar, or choose jam or honey for everyone.
Make sure to do whatever you beleive is creative. The Wedding candy buffet is already a great idea! Our guests loved it, but if you feel like you want to mix it up with more stuff, GO FOR IT!
Re: small favors for my candy bar