No photos in church'. Thankfully, it isn't universal. I really need to be in a position to see your faces throughout the ceremony. I can do it silently and without flash, with long, fast telephoto lenses, but get flash permission if you can. It may help to show samples from this site.
Many clerics have a narrow idea of 'wedding photography'.
Having witnessed me on my high horse, you are probably too embarrassed to ask. Of course I won't deprive you of them, but small, informal groups look better. If orchestrated groups are the most important thing for you, frankly I suggest you get someone else. THE FILM I predominantly use 35mm colour film. Colour print film is marvelous stuff and these days there is a different type of film for every eventuality.