How to traumatise your baby and ensure many happy years of saving to pay for the psychiatrists sessions needed to sort them out later :

I was talking of dressing them like a duck obviously rather than an H R Giger inspired stomach eruption.

Speaking of which, if you have never had a look at his work before, why not spend a few moments with google right now and be amazed at the talent and ingenuity (alternatively, there is quite a good selection here).