The homepage slider is created with revolution slider module, found in app/modules/revolution.

To change the images of the slider you have to insert the correct path where you find the following code in the index.html file:

<li data-index="rs-1" data-transition="slotzoom-horizontal" data-slotamount="default" data-hideafterloop="0" data-hideslideonmobile="off" data-easein="default" data-easeout="default" data-masterspeed="default" data-thumb="images/slider_01cthumb.jpg" data-rotate="0" data-saveperformance="off" data-title="Slide" data-param1="" data-param2="" data-param3="" data-param4="" data-param5="" data-param6="" data-param7="" data-param8="" data-param9="" data-param10="" data-description="">
<!-- MAIN IMAGE -->
<img src="images/slider_01c.jpg" alt="" data-bgposition="center center" data-bgfit="cover" data-bgrepeat="no-repeat" data-bgparallax="8" class="rev-slidebg" data-no-retina>


Each slide starts with <li> tag and ends with </li>