For some inspiration, I did a flickr search. Here are a few of my favorites. I am amazed at the creativity and diversity displayed. I could see an entire museum exhibit devoted to custom munnies.
How cute are these? They were a wedding present - talk about your thoughtful and perfect gift. Wouldn't they be sweet on a wedding cake. Image by Max Kiesler.
This one lights up! How cool is that? Image by pottstar