Why do you want to view private photos?
The best judge should be you as the one reading this, but however there are a lot of common things, common connections that charactarize people who wants to view this instagram hidden images, this is curiousity. Curious to know what's inside that pic, what's my friend hiding, why aren't this photo displaying etc.
Steps to view instagram pictures
This tutorial is in steps for easier understanding
1. Vists targetsTwitter profile. Once that is down, move on to the next step.
2. If the target has Instagram linked to their Twitter you will see their Instagram posts as Tweets, you can view their images this way.