A little while after we got engaged I bought this wedding scrapbook by Darcy Miller from Amazon. I haven't started to fill it out yet, but I've been saving everything from fabric swatches from my dress to scraps of ribbon. It's such a great book, it covers everything from how we met to our wedding anniversaries including all of our wedding planning details, our wedding day, and our honeymoon.
It's filled with questions, places to put photographs, fabric swatches, and even a family tree to fill in. I received Martha Stewart's keepsake wedding planner as an engagement gift from a friend. So far I have only used pencil to write in the planner, hopefully I won't be afraid to use a pen to fill in our wedding scrapbook :)