Write Articles on WCF - Windows Communication Foundation

I am looking for someone purely technical who can write articles on WCF (Windows Communication Foundation) for my blog. Articles should be Unique, Professional (with screenshots and source code wherever required) and without plagiarism. It should be minimum 800 words. Following are the WCF topics with required details: 1. Step by Step approach to create a WCF Data Service 4.5 a. Define WCF Data Services b. Explaining WCF Data Services 4.5 c. Complete step by step appraoch to create a WCF Data Service with source code and images/screenshot. 2. Hosting a WCF Services in WAS a. Explaing WAS hosting option b. Why and When to use this option? Benefits of using WAS hosting option. b. Complete step by step approach to host a Service in WAS with source code and images/screenshots. 3. Handling transactions in WCF a. Define transactions in general as well as in WCF. b. Explaining Two-Phase committed protocol & Transaction Propogation. c. A step by step example to create a WCF Service with transaction and transaction propogation implemented. I have a fixed budget of $20 for above given 3 articles. Please reply if someone is willing to do that? Regards, Imran