By the way, here's the answer my client received where my template coding is blamed for the errors in the slider plugin:
"There is some code in your active theme that pulls and prints the custom fields on your posts (single.php)
These are the custom fields, and though they are created for each post, they should not be published. So this is not an issue with the slider, but with some extra code in single.php that prints the custom fields."
Then I heard from Tejaswini at Internet Techies directly:
"You can put the code in the template file not to display the custom fields specific to slider (conditional statement). You can anytime choose which meta fields to display and which to not.
Hope you got the point, please let me know if this works for you."
This is exactly what I've been asking for - I need to know the name of the code that is for the meta tags associated with the slider, however, I believe the plugin developer neglected to use a specific name, which is a common problem. If they don't assign a specific and unique name to their meta, it shows up on the site as code.
The big problem, is that I am a website designer, not a PHP programmer - these are 2 different fields. For some reason, PHP programmers like to rub that in your face and not provide adequate coding, then try to blame the designers LOL!