By the way, my old educational project, Instaload, is now updated and running here:
For those who missed my post about it - this is a web-tool which allows you to download mutliple images and videos from instagram in one go. Just paste links into the field, each link on the new line. And click the button. It should then take some time to download all the files for you, zip them and give you a link.
It may still be buggy and fail, but should work most of the time.
Initially I made it after I saw dinsta, and did not like one simple fact about it - if you need to download a lot of images from instagram, you have to do it one by one image. And I don't think dinsta supports video download, but I might be wrong about that.