1) I've built a WordPress site to archive and backup my tweets https://tweets.kingkool68.com it fetches new tweets every 15 minutes. Source code at https://github.com/kingkool68/wordpress-twitter-backerupper
2) Whenever I post to Instagram I have a script that automatically posts it to Twitter including the image directly in the tweet like this https://twitter.com/kingkool68/status/916853781911838721
Source code https://github.com/kingkool68/ig2twitter