Minimal Church comes with several custom widgets that can be used:
Minimal Church Twitter Feed
This widget is used to show your recent Twitter activity. Available options allow you to set the title, the number of tweets to show, and your username. Make sure you keep the @ sign in front of your username.
Minimal Church Social Links
Displays icons for Facebook, Twitter, Google+, Vimeo, and YouTube based on your settings in the Theme Options panel.
Minimal Church Latest Posts
Display your recent posts from any category. If your posts have a featured image set, a thumbnail image will display in the widget as well.