Monitoring the hashtag on Instagram

There's a predefined hashtag.
1. Log in Instagram, from a given account
2. Monitor new photos and save them to the folder. Including. Upload the avatar and the name of the publisher.
Avatars and names are saved in a separate folder, so that in the future not to download, but to take from there, if there were already such names.
Comments are saved to the photo as a text file.
We like the photo we found.

3. We enter the hashtag, show the photos found on it.

Implementation language: Delphi
Source format