We had already released our latest version. So you can try on this. It seems you are using some plugin as shown on screenshot. You can directly add custom field on pages where you want to add. WordPress by default provide you the custom field on every pages and post.
Let us know if you have more queries on this. On this forum we had discussed styledthemes.com/forum/pure-simple/2065-…with-caption-heading , this may help you on this