The Origami theme from is a great theme to use if you are looking for something simple and effective.  Site Origin also has a plugin called Page Builder that allows you to customize the layout of your site on any page which enables you to have even more control over your content.  For example, if you want to have 1 row with 3 columns and 1 column with 1 row below that, no problem.  The Site Origin Page Builder plugin makes this possible.

You can look at the actual website I show you how to create here: