[A full-responsive, CSS3-enabled, touch-ready, arrow-key supporting, draggable carousel that you can instance with one line.][link]
Having built and used probably a dozen different image slider / content carousels this one looks like it covers all of the bases and with minimal markup bullshit. Color me impressed.
[link]: http://kenwheeler.github.io/slick/ “slick – the last carousel you'll ever need”