Lightbox is the perfect tool for viewing photos.
WP Lightbox 2 is awesome tool for adding responsive lightbox effect for images and also create lightbox for photo album/gallery on your WordPress blog
A powerful portfolio/gallery plugin, highly suitable to showcase your portfolio/pictures/videos/media and sort them nicely under filterable tabs.
Easy Portfolio is an WordPress Category filter Portfolio Plugin.
A Portfolio management plugin that allows you to manage Image, Link and Video type Portfolio items with jquery filtration option