Problems adding 4th image to slideshow.

I replaced the 3 images in the original slideshow with no problem.
I am trying to add 1 more image to the slideshow.

Within the page--front.tpl.php file I simply copied and pasted to add an extra pic to each of the following divs:

image_reel
descriptions
paging

Is there anything more that I have to do? My original 3 images work perfect, the 4th link button is added, the text for the image that pops up from the bottom is appearing, but the image itself isn't appearing it is just displaying as a white background. The display of the 4th image seems to be the only problem. Anyone know why? I've tried clearing caches and everything. Do I have to edit the js file or anything?