lightbox wp plugin

I am looking for a free image slider plugin. Yes, I know there are many, but I am not looking for a slider for the homepage or for a post. I am looking for a slider that I can use to make different sliders on all the posts and pages. Like a lightbox+slider which will automatically work and I...

Hi guys ! Do you have any ideea if the lightbox plugin for WP affects the rankings of the page? I want to rent a website and use lightbox to display the client's website over mine. Thank you !