How to create a "Gallery" post

Navigate through Admin > Posts > Add New.

Enter some title, click the "Add Media" button.

Click the "Create Gallery" button and mark the media images. Then in Gallery settings select the option (Columns, Navigation, Pagination & Thumbnail Size).

Note! You can set default settings from DivBlog admin panel and it will allow you not to set custom fields any time that you creating a gallery. You can also set custom styles for gallery types.

Just go to Post Formats > Gallery and set Default navigation type, Default pagination type and styles.

Don't forget to check Gallery format at right box.