Below is a complete list of movies within this site

Spray diagrams
What are spray diagrams?
Drawing spray diagrams
Diagram guidelines

Rich pictures
The energy debate
A rich picture about rich pictures
Diagram guidelines

Systems map
What is a systems map?
Exploring systems maps
Building a systems map
A systems map of a garden
Diagram guidelines

Influence diagram
What are influence diagrams?
Diagram guidelines

Muliple cause digram
What are multiple cause diagrams?
Three uses of multiple cause diagrams
Drawing a diagram from scratch
Drawing causal connections
Identifying multiple causes
Identifying intermediate causes
Recognising feedback loops
Diagram guidelines

Sign graph
What are sign graphs?
Selecting variable names
Identifying the signs
Understanding feedback loops
Identifying feedback loops
Diagram guidelines

Diagram selection