Those are BEAUTIFUL
You can make some similar ones with ombre ribbon.
Here a pic of one that shows how you just pull one side of the wired ribbon to get the pleated look... http://cgi.ebay.com/French-pink-ombr...item4aa72c70e7
or made with silk shibori ribbon which is already pleated. Here's a video tut.. http://www.youtube.com/watch?v=clwyhV1c82A&feature=fvw