The Format meta box can be found in the right column when editing any post. Corp has styling support for the following post formats:
Standard: The standard post format displays the featured image (if one has been added) below the post title and the content below that.
Gallery: The gallery post format uses the first gallery in the post and displays it as a slideshow below the post title.
Image: The Image post format uses the first image in the post and displays it in the featured image position at the top of the content.
Video: The video post format uses the first video in the post and displays it in the featured image position at the top of the content.