Infinite scroll allows images laid out in a portfolio to load as you scroll down rather than loading the entire html page at once.
WordPress Stack Theme is a beautiful. exciting and colorful theme, Windows 8 'look alike' masonry. Perfect for real estate, photography or just being creative!!
Drupal Pinteros theme, built on the bootstrap framework, a 'Pinterest' look alike. Pinteros integrates with Drupal multisite allowing multiple users to upload photos.
Drupal Palas Theme, a multipurpose theme compatible with Drupal Commerce. Excellent for corporate, ecommerce, agency or blog. Includes premium modules.
WordPress Pinboard is an exciting 'Pinterest' type theme. Easy to use, plenty configurable drop and drag widgets. Lightbox Gallery, infinite scroll.