E.,
Rolf's Bakery on Touhy (E of Edens/94?) might not be too far for you.
A lot of pros order cakes from them, Whole Foods sells their stuff.
We've had them make cakes for us, including an Ariel cake. We just
give them the image we want and they design from it. I hear they used to make cakes for Pres. Clinton events w/seal of US, so the design side is good and everyone raves about the flavor. They are very nice and may give you a phone estimate.
RE party ideas: My opinion is that the one year guests of honor don't know how to say birthday, much less know what's going on. Our one year old parties have been for us, and we invite family and our friends, parents and kids from any tight nit play group. Why not have cute party stuff and cake and don't worry much about a theme. Just celebrate with people you are close to: WE SURVIVED THE FIRST YEAR!
Have fun!
Barbara