Thanks so much for your help! That suggestion has pretty much solved all of our issues in a managable way.
We have one last issue now - if you look at
dirtypretty.me/summer-breeze and click on the main image, it will pop the image in to a lightbox, when you hover your cursor over the crosses in circles you'll have a content bubble pop up with store/product names inside them. When you click the points, the information appears in a box below the image. This is exactly what we wanted!
However, we seem to have a lot of scrollable white space below our content and I wonder if you have a solution that we could use to reduce that, please?