I need help with this slideshow

I need help with this slideshow

Hello,
I ma new to jQuery.
Really don't know anything about it.
I am trying to install a banner/slideshow into a site I've been working on.
here is the link,


The problem is that before the new image is loaded into the slideshow it shows for a quick second in the background, and while doing so, disrupts the whole website,

any possible solution/suggestion?
raelly need to get it going..
HELP!!!