The Gallon Man is a great way for students to remember equivalent measurements, but creating and adding this introductory chart to my measurement lessons was one of the best things I've done for my classes.
I usually draw it from scratch on the board each time I teach measurement, but this slideshow goes through each step for you with just a click of the mouse! There are only 3 slides, but there are 17 animated steps. It usually takes about 45 minutes to get through creating the chart and verb