Big space under Next Gen slideshow

I’m pretty new to NextGen and have just added a slideshow to my front page. It all works fine except that there is a large space underneath the slideshow and I can’t figure out how to get rid of it.

In the editor there is no space at all – the code for the slideshow ends and the text begins as follows:

<p style=”text-align: left;”><img class=”ngg_displayed_gallery mceItem” alt=”” src=”http://www.silverphotography.co.uk/wordpress/nextgen-attach_to_post/preview/id–3802&#8243; /> More than ten years ago I…

The full page is here: http://silverphotography.co.uk/

Can anyone advise me how to get rid of this space please? Thanks!