This is the most advanced prestashop gallery module with great feature to upload images to products by customers.
Addon creates special section on each product page (or selected products) with feature to upload pictures by customers.
Uploaded pictures must be accepted by shop owner before they will appear on product page.
Addon creates special gallery section on product page, module will display in nice way all available pictures uploaded by customers.
more informations about module you can find here:
Product images by customers
You can find there only valuable solutions for your e-commerce shop based on PrestaShop engine. Search the best plugin for your store that will meet your requirements and just use it.