Sentoz is a free premium WordPress theme. This is a tumblog style theme. The theme uses WordPress post format feature to create posts with different formats like, image, audio, video, link, aside, gallery, quote etc.
There are plugins packed with theme so that you can take advantage of the WordPress format UI feature while posting different post format types. You will find a notification on the admin panel prompting you to install the required plugins. Please install and activate the plugins.