Added support for custom variables
---
title: My page
tweets:
- https://twitter.com/dhh/status/1162426045405921282
- https://twitter.com/rails/status/1205565185739673600
a_tweet: https://twitter.com/rubygems/status/518821243320287232
---
{% for tweet in page.tweets %}
{% twitter tweet align=right width=350 %}
{% endfor %}
{% twitter page.a_tweet %}