Below I have added a few more links on fitting. Please chime in and let me know of any other links I should add! Some of the links below do not apply to the Peony, but I thought it best to include them in this reference page.
Sew a French seam
If the answer to your question isn't here, then head over to the Flickr group and ask away!
Week of October 1st: Sew-Along Kick-Off (Muslins, measurements, etc)
Week of October 8th: Fabulous Fit
Week of October 15th: It's All About Fabric!
Weeks of October 22nd - 31st: Be Our Guest
Week of November 5th: Peony Parade - upload your finished dress into the sew-along Flickr group!