I have created an extension for BlogEngine.NET which will update your Community Credit account each time you add a post to your blog. The extension uses the Community Credit Library by Keyvan Nayyeri for interacting with the Community Credit web services. I used the Graffiti Extra, also by Keyvan Nayyeri, as the base for the extension.
The source for the extension is here.
You will need to download the Community Credit Library separately and copy the dll into the bin directory of your BlogEngine.NET website.
Comments and improvements are welcome.