Example of a post with no featured image set, but contains a standard WordPress gallery inserted that automatically is a lightbox enabled gallery in the post!

Default strong text from the editor – Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Morbi commodo, ipsum sed pharetra gravida, orci magna rhoncus neque.

Default italic text from the editor – Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Morbi commodo, ipsum sed pharetra gravida, orci magna rhoncus neque.

Ever wanted to have an inline image open a larger image (or a complete different image) once clicked.

This image on the right is a quick example for you to try out, it uses a class of lightbox and a normal link url and magic happens for you!

WordPress Standard Gallery With automatic built-in Light Box