Instagram by default don't allow user to save image, Inspect element is also bit complicated. I wrote this script using python,beautiful soup and flask. you can download images just by clicking link of image, visit http://bmanish001.pythonanywhere.com/ for full action.

let me know if required any help or source code, i'm at https://twitter.com/UMeNMactech

P.S. looking for a job in Python profile