To create homepage you'll need to create a page in the page tree in admin, and specify its URL (in the Meta Data section) as "/", which is the value used below in the {"slug": "/"} part. Add images in slides section for header background.

HOW TO MAKE TWEETER WORK?

1. Got to admin site and there is twitter section
2. Get twitter app for getting Twitter OAuth
3. For getting this, go to https://apps.twitter.com/
4. login and create app to get oAuth
5. And then, go to Keys and Access Tokens, and fill admin site with values in "Keys and Access Tokens"
6. Fill "Default Twitter Query" to get tweets from.