Lightbox is the perfect tool for viewing photos.
The Lightbox Gallery plugin changes the view of galleries to the lightbox.
Allow to dynamically zoom on images in posts/pages/...
Browse and select photos from any public or private Google+ album and add them to your posts/pages.
This plugin adds the the highslide for image files with Highslide4WP.
Embeddable Flash player for displaying FLV Movies within your posts.
Image loop allows you to loop through predefined set of image in easy and appealing fashion.