products to category correction and image correction

I have a old ecommerce website where i have more than 420 products I have created a new website using prestrshop and i added all products from old website to new website. But last data entry person did mistake on products to category assign. and there are few products which has incorrect images. So work will be to correct products to category and products images. total products around 420 data entry operator from kolkata or dhaka will be preferable.