" To the end of photo post in web Instragram, you can write sharp (#) and compose with nickname, just like 'Webcamming' or 'WebcamingSite'. A second later, your lovely photo will automatic upload with tagging name. If you set up privacy of that image into public to allow other people could see.
Website would give your a result of tagging search, for example of searching in word 'webcamming' on statigr.am you should see picture frame and info box of public photo.
One more thing, please read privacy policy before any post. It'll make better security to account and all your right reserve of any pictures.Try tagging your instragram photo now to make more chance to find new friends in public network.