The list of the images path in the display order
The short description text of the image (can be dynamic)
The long description text of the image (can be dynamic)
The thumbnail image can be inserted the suffix or the complete image path. If you insert the suffix my Php code search in the same folder of the main image if exist the thumb. The suffix can be before the image name or between the image name and the image extension, my Php code search in the 2 position.
The thumb image is not required (optional)
Get in one time all the images in the selected folder and put all this images in the Images List.
After you add this images remenber to setup all the other parameterr for this images.
Set the current value of the corresponding field for all the images in the list.
Set the dynamic value for the field