It's completely free (even if a donation is appreciated)

It supports captions, HTML elements and videos and it's validated in HTML5 (have a look)

Camera is a responsive/adaptive slideshow. Try to resize the browser window

It uses a light version of jQuery mobile, navigate the slides by swiping with your fingers

Different color skins and layouts available, fullscreen ready too

Camera slideshow provides many options to customize your project as more as possible