The lightbox feature is already integrated in smooster CMS. You only need to add a jquery plugin like nivo lightbox to the html head to activate it.
Add the following link to the html head <head></head>:
Insert this script right before the closing </body> tag:
Annotation: Of course you can use the same technique for any other lightbox as well.
To activate the lightbox, just click on “Media” while you’re editing a website, select an image and choose the lightbox option. That’s it.