Find the text "URL to Image HERE" and replace it with the actual url to the image you want to use.
This next step is Optional:
If you dont want to have the table surrounding the hidden content then Find ( class="quote" ) and remove it.
This next step is Optional:
If you want the table of the hidden content to be larger than the default setting then find ( width="90%" ) and replace "90%" with whatever you want it to be.
That's all there is to it. Hope this was easy to follow but if you have any questions feel free to comment here or post in the forums.
..:: Here are some images to use with the RNK-Zymic72 theme ::..