This site has a simple design for making your homemade dutch girl costume. It has patterns for the hat and shoes. There is even a hat for a little Dutch boy!
Link: http://www.hvanrossum.com/costume.html
Making an M&M Costume
Costume Ideas for Someone Who Loves Fantasy and Computer Games?
Mary Poppins Costume
Making a Robot Costume
Paper Monster Rings
Halloween Pet Costume: Minnie Mouse