Here is a list of best drupal slideshow modules
Views slideshow is a drupal contrib modulethat means it is fully free to use. It can be used to create a slideshow of any content (not just images) that can appear in a View. It is powered by jQuery and is heavily customizable.
MegaSlider is a responsive slider module with touch-swipe navigation. You can add text, image or video to your slider. With a friendly admin user interface and power timeline manager, MegaSlider is highly customizable slider for Drupal 7.
Field slideshow module is a very lighweight and easy to use module. It provides a slideshow formatter for image fields and uses jQuery cycle plugin.
Dynamic display block slideshows are mainly used to showcase featured content at a prominent place on the frontpage of the site in an attractive way.