<div class="helpdiv"> Spacing between the images in pixel.<br/> Note: If the resulting image height limits the image dimension, there is a spacing even if you define elementSpacing with a value of "0". In this case you either need to:<br/> a) Increase the container &lt;div&gt; element height<br/> b) Decrease the value of the elementWidth parameter<br/> <br/><br/> <strong>Default Value:</strong> 0.25% </div>