Lightbox

Single image lightbox
add like this <a class="image-popup-no-margins" href="..." title="title will be apear here"><img src="..."/></a>
image

Fits horizontally and vertically

image

Only horizontally

image

Zoom animation, close on top-right.

Lightbox gallery
just add code under class="popup-gallery".
Zoom gallery
just add code under class="zoom-gallery".
Popup with Youtube Video
You can use youtube video with popup just add class popup-youtube
Open YouTube video
Google map
You can use Googlemap with popup just add class with popup-gmaps
Open Google Map