Go to http://www.woodline.com/Downloads/Plantation%20Shutters.pdf .
shows you the ins and outs of this undertaking. I'm building some
myself right now. I opted to get custom knives made for my jet
planer/molder instead of using their router bit set to mill the
louvers. You can order the plastic louver pins from www.outwater.com.
I'm using pn ossp-101 shutter pins from their catalog. It's on page 43
from http://www.outwater.com/pdf_files/opi/GuidanceSystems.pdf . It's
sold by the thousands but really cheap. You need lots of patience if
you haven't done this kind of thing before, but it's really worth it.