This 4 episode 1973 BBC series was created by John Berger and Michael Dibb, it explores different approaches to evaluating visuals. The series focuses on paintings, but the ideas discussed can be applied to all kinds of visual materials.
There are a variety of approaches to visual thinking and analysis. Different visual thinking strategies will come more naturally to different people, so start with what feels most natural to you and the way you see. If you are unsure how to get yourself started, try asking yourself the 4Ws. The "4Ws", developed by Todd Finely, are 4 simple questions that you can ask yourself in relation to the image you are evaluating to begin your analysis:
Try it out with the images in the gallery below!