C# silverlight post card editor

This is a Silverlight project. I would like to have an post card editor. ** Web Service and Database have already created by me, you just need to hook up with UI ** The layout is sketchout by sketchflow, pls take a look on attachment Feature need A. Project Setting can be created, loaded and saved to webservice (I provide you webservice) B. User can select multiple template sizes, multiple Images, multiple Title + Message and multiple foreground colors + background. C. At least one template, one image, one Title + Message and one foreground + background color selected, preview screen will general post card preview image. Ex: 1 template 1 image 1 Title + Message 1 foreground + background Equal to 1 post card 2 template 1 image 2 Title + Message 1 foreground + background Equal to 4 different post card (See the attachment, it may give you some rought idea) Done: 1. UI with correct business logic 2. A Demo Web Page 3. UI hooked up proved web services Requirement: 1. SilverLight 2. C# 3. Visual Studio 2010 4. Object Oriented Programming 5 WCF 6. SQL server 2008