You can download and import these demo sliders in your website by using Import/Export feature.
Download this slider:

Slider plugin is a responsive, intuitive multi-layer slider. It allows adding elegant and sleek sliders to your posts, pages, as well as for the theme header or another custom location using PHP function. The plugin has a large number of transition effects, supports both videos (YouTube, Vimeo) and images of various file formats.
WordPress Slider WD plugin
Responsiveness Basic features of Slider WD Possibility of adding unlimited videos for each slider. Possibility of adding unlimited images for each slider. Custom CSS support 38 layer effects Slider share feature for sliders Navigation buttons and bullet styles Video Slide support(YouTube and Vimeo) WD Slider PRO for WordPress