Here are some articles on ice cream cakes and novelties that have been published in various places:
Making Ice Cream Cakes
Making Ice Cream Cakes An article on some of the issues you'll want to consider when making ice cream cakes. This article was originally written for the the New England Ice Cream Restaurant Association's quarterly newsletter -- The Scoop. The article was just too long for a single edition though, so I ended up slicing it into a three part article, which were published in the Winter, Spring, and Summer of 2010.
Here's a video shot by our friend "The Ice Cream Bloke", Steve Christensen, that shows how we make them in our store: