slideshow on page

Hi everybody,

on my landing page i would like to have slideshow so high and wide like post background of page. i downloaded wp supersised and i´ve set up display: Select the page(s)/post(s) where Supersized should be used – front page(landing page) but now post background stay white and slideshow is displayed like background of landing page. please what should i do that slideshow display only on post background. thanks a lot

http://ww.wp.xz.cn/extend/plugins/wp-supersized/