OK I figured it and for anyone else who wants this and my own ref
Create a page in static pages using the handy WYSIWYG editor then modify file
/ideal_responsive/customer/main/home_page_banner.tpl
by adding the bit in blue
{include file="modules/Demo_Mode/banners.tpl"}
{else}
{include file="pages/en/video.html"}
<div class="welcome-img">