Blogger is probably the easiest to use blogging platform. It is one I have used most with novice website creators. Here is the very easy to follow step by step walk through of the Blogger environment.
Blogger is a Google product and integrates wonderfully with other Google tools like Google Docs, Calendar, and other tools.
This page has many videos about using Blogger right from the Blogger’s mouth. So to speak. The video below is an example of how they look.