People who don't quilt have no idea what it takes to make a quilt. Take a deep breath and enjoy the wedding first, then when things settle down you can start to think about a quilt. It will give you more tome to think about what you want to make. Ilike the idea of poeple signing fabric you could piece them together for the back of quilt. I did this for a quilt I made for our last family reunion. Everyone had so much fun.