Those are few samples what can be done using my free actions Split Image. More details and download link in blog post on DesignEasy http://www.designeasy.co/2014/02/split-image-free-photoshop-and.html.
Split Image Free Photoshop & Photoshop Elements Actions
Split Image actions for Photoshop and Photoshop Elements to divide an image into equal 4, 16, 25 or 64 pieces.
Digital Photography, Photography