Importing multiple images for each product in Magento

Magento doesn’t have any extension yet available to import the multiple images of each product .
We gone through a conceptual scope and with a careful analysis of the core Magento code, finally we got the solution by making change in the Magento’s core code and basic import functionality. We placed some code lines. Now one can easily import multiple images in Magento for each product by adding a field in CSV.