Hi there!
My name is Cecilia, I'm new on Freelancer but I really have a lot of years on experience in exactly this kind of work.
I have been wedding photobook for several Photographic studios for Australia, USA and UK. As you said, not standard designs, but unique and professional designs for each. I think each photo and wedding has it own style, following what the bride choose for her weeding, colors, bouquet and others, so they never can be similar.
I have a lot, lot samples to show you. I know you need to message me first. So if you have a chance, I'm sure you will receive what your are looking for.
You didn't mention the quantity of images/layers, you want per book, and if you have several books to do or just one.
Please contact me to receive the images I can't upload to my profile and to chat (if you want), about the way to work.
I hope we can work together on this project.
Have a nice day,
Cecilia