Le Puy is a great build. For an outstanding construction report of this historic French church check out Ricardo's thread now in the Abgeschlossene Bauberichte (Architecture) section.
I wish to try something with this build that is not suitable for most paper architectural models - illuminate it. Le Puy has an alter at the crossing and a statue of the Black Virgin Mary deep in the apse. The front of the model is removable. The plan is to place a little tiny 1.5 volt light behind the statue and a light high in the rafters above the alter. The light emitted will be soft and subtle.
Here are the electrics...