The Mesa WordPress theme is a FREE GPL theme that is perfect for Photography and Travel Blogs but could be used for virtually any blog.
Pineapple is a responsive photography and blogging free WordPress theme. This exclusive WPExplorer free theme is perfect for any WordPress powered blog.
The Today free WordPress theme is a beautiful and full-featured option for any news or magazine style website. Easy to use built-in styling and post formats make it easy to start blogging.