The built-in NextGEN Gallery plugin gives you many options for displaying your images. Some of the features included are:

• Sortable Albums : Create your own sets of images
• Upload a Zip-File with pictures : Upload pictures in a zip-file (Not in Safe-mode)
• Watermark function : You can add a watermark image or text
• JavaScript Effect : Use any available popular image effect : Thickbox, Lightbox or Highslide
• Multiple CSS Stylesheet : Use a nice shadow effect for your thumbnails with your own CSS file
• Slideshow : Full integrated flash slideshow
• TinyMCE : Button integration for easy adding the gallery tags
• Sidebar Widget : Show a slideshow, random or recent picture at your sidebar
• Language support : Translated in more than 15 languages
• Upload tab integration : You have access to all pictures via the upload tab
• Tag support for images : Append related images to your post
• Meta data support : Import EXIF, IPTC or XMP meta data
• Sort images feature

Here’s a Gallery

[Show as slideshow]

Image Credits: ishrona, aussiegall, GoBot, and pshutterbug