As part of your revision for Macbeth, watch these videos:
Full audio book:
Film: Royal Shakespeare Company, Macbeth:
60 Second Recap playlist:
Thug notes:
These websites are also excellent:
Bitesize: http://www.bbc.co.uk/schools/gcsebitesize/english_literature/dramamacbeth/
Sparknotes: http://www.sparknotes.com/shakespeare/macbeth/
Litcharts: http://www.litcharts.com/lit/macbeth