WSN Gallery can handle images, videos (with integrated flash player) or other media. It can also pull in youtube videos matching specified keywords or playlists and manipulate their thumbnails, or grab images from flickr or any other RSS feed. It offers unlimited custom fields, image resizing (both on submission and at display time, with the latter allowing you to show images at the size of the visitor's browser), slideshows, and numerous SEO options. Monetize the gallery with sponsorship. Use the member integration and personal albums to turn it into an add-on area for a forum. Translate into any language. Enjoy automated updates. Also available as a wordpress plugin.