Progressive :
Jellyfish : This is a good example of progressive rhythm in the form of jellyfish.
Bong : This is a good example of progressive rhythm in the form of some Bongs.
Flowing :
Squiggle : These are two good examples of flowing Rhythm use natural strokes.
Regular :
White Lines : This is a great example of regular rhythm using negative colours.
Squares : This is a great example of regular rhythm using different coloured squares.