!! Sources are available to modify on Github !!
https://github.com/concrete5-community/easy_image_slider
Easy Slider is a Touch-enabled block that lets you create a beautiful responsive carousel slider.
Easy Slider offers inline editing. No dashboard page, no popup, the gallery is edited IN the page: Choose images from your computer or Filemanger and the slide is created.
Obviously, you have access to a multitude of options which some unique ones, allowing you to fine-tune the display of your gallery.