Best Answer James B† , 23 January 2013 - 02:19 AM
The black background is the standard slider background, what the site is saying by showing that is it can't seem to find your images. I see you're using a cache plugin, if you dump the cache file and then deactivate. Then republish each of the slides to see if it resets the images.
If that doesn't work, deactivate all third party plugins and see if any of them are causing a conflict with the slider.Go to the full post