Image Slider for Joomla! Slide Them All! Slide Them All! is Free Image slider for Joomla! with several nice features: preview, slideshow, etc. demo download  
Features:
  • Free great-looking image slider/rotator for Joomla!
  • 2 Sliders in one: coin slider, minimalistic slider
  • Easy to configure
  • Slideshow support
  • Ability to display descriptions for images
  • Thumbnail preview
  • Supports major browsers: IE, Firefox, Safari, etc.
  • Great solution to present products/images to your visitors
  • Documentation in PDF format can be downloaded here
  • Easy integration with popular lightboxes: