I want to make these!
http://www.marthastewartweddings.com/good-things/silk-petal-garlands?backto=true&backtourl=/photogallery/paper-and-fabric-flowers#slide_18These too!
http://www.marthastewartweddings.com/article/pom-poms-and-luminariasI would do the poms in blue and white tissue (obv) and hang them off of the chairs for the ceremony. Then get hydrangeas for the garlands. I thought it would be cool to string them around the gazebo we're getting married under, or maybe even hang them almost like a curtain behind us. Not sure yet!
Just thought I would share