You have to upload images to media/import folder (no subcategories) at your FTP. Then in import file In CSV you need to put images with a slash at the beginning, like - /imagename.jpg Multiple images separate by a semicolon (.
Thank yoiu
Have you ever tried Product File Upload extension? By that extension you can display your products, images and other details in different types of files that can be uploaded now for showcasing your products in an appealing way. Advance Product File Upload extension allows you upload any length and type of files to attract more customers.
Hey, i just found the same question on stackexchange. This must help: http://magento.stackexchange.com/questions/130249/how-can-i-solve-bulk-image-import
Thanks