and Nageru's themes can use a simplified version of Movit's API where
most of the low-level details are abstracted away.
-Every frame, the theme choses a chain and a set of parameters to it,
+Every frame, the theme chooses a chain and a set of parameters to it,
based on what it thinks the picture should look like. Every chain
consists of a set of *inputs* (which can be either live video streams
or static pictures) and then a set of operators or *effects* to combine
logic, but also make for the most distinct parts of your visual look.
+.. _images:
+
Image inputs
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