You can create a virtually unlimited number of your own templates in ThemeMatic. 

*Note:  This is an advanced feature for those familiar with HTML and CSS - ThemeMatic does not offer training on how to create an HTML/CSS template, nor does ThemeMatic offer support for problems arising from custom template code.  A great resource for learning how to design HTML/CSS templates can be found at:

http://www.csszengarden.com

- Click on the 'New Template' button to add your own template.

See the following steps to modify your template...