Update

After the progress report, coding developed further. 

The search terms were completed, but based on our success criteria of fast delivery, loading times were far too long. With the help of Arturo, I learned to use php more effectively and we decided to use a different approach and load 8 images at a time to reduce waiting time, and add a next button that would load the next search terms within that category. This could take a bit of coding, but a good approach may be to implement an array for each category where clicking "next" or "previous would shuffle through.