This is a very simple Javascript program that allows you to save photo's from Instagram.
The main problem is that there is an invisible page element (a transparent div) that you cannot see but that prevents you from clicking directly on pictures on the Instagram website. The code below hides this invisible element so that you can right-click on the image and save it.
If there is enough interest, I may create a browser extension that does this automatically. If you're interested, send me a quick email (joel@joeldare.com).
Here are the steps to take to hide the invisible element that is blocking you from saving Instagram images.
Here's the code.
setInterval( function() { var element = document.querySelectorAll('._ovg3g'); element[21].style.display = 'none'; }, 500);