The Guardian News Feed plug-in enables you to publish articles by the Guardian directly to your blog.
Click 'Get a Key' on the Guardian's Open Platform web site here: http://open-platform.theguardian.com
You will need to register, tell us about your blog, and agree to the Terms and Conditions. You will automatically receive a key which can then be used to enable this plug-in.
There is a Google Group where you can post questions here: http://open-platform.theguardian.com