Show node field as a carousel using jCarousel module programmatically?
Have you try with this module: http://drupal.org/project/field_slideshow It will help you to build a carousel with the content of a field.

As field slideshow is not the best options, because you need field collection.

Another option is this other.

Use a normal image field.
Build a block view with the images from the node.
With Display suit, you can choose what fields you can show or hidden, you can hidden the imagefield. And also use Display Suit (admin/structure/ds/fields) to become the views block as a field for the content type. 

The last step is to enable the new field.