silver-net-surfer makes some valid points and my thought would be the mega menu is the first culprit I would look at as I have had issues with the mega menu and the lightbox (a different issue and adjusting the z-index was indeed the solution)

However you state yourself that the images were not working BEFORE you installed the lightbox, so there is another issue at play, and you need to resolve it before asking for help with this module.. It is UNLIKELY the issue of missing images will be resolved by troubleshooting THIS MODULE since the images were missing BEFORE you installed Zen Lightbox.. It would be a tremendous waste of energy to try and troubleshoot issues fundamentally not related to this module as if this module is the cause (by your own admission.. they were not)

Quote Originally Posted by AlexThibo View Post
Thanks for sharing your experience silver-net-surfer. I understand what you mean but I'm not sure I understand how and where to locate the z-index for each module. I have the Firebug plugin installed on my firefox browser. Could it help?

But in the case the Zen Lightbox module is under an other one, will it only prevent it to work properly, and not show the popup image? Because currently, no image at all is showed in the product description. See: http://www.offroadrescuenetwork.com/...roducts_id=181 This product has 3 working images

Also, even if I uninstall the Zen Lightbox plugin with running the uninstall SQL lines, the image are still not showing. That another reason why I think the issue is on the template. Probably juste a line that I modified that I don't remember...