Add infinite-scroll to Responsive Masonry Isotope filter grid on WordPress site

Job ID: 32904399

Budget: $10 – $30 AUD

I have a WordPress site using Isotope Masonry Responsive grid and with thumbnails, with the addition of filters and search. I want to add the infinite scroll option so 12 images are shown initially.
The filters/search still to work when scrolling.
Related categories: PHP JavaScript WordPress jQuery / Prototype