The micro:bit's MicroPython has a big list of built-in images - 63 to be precise. But what do they all look like? Well, here's a handy chart! And as a bonus, we've also included a test program that cycles through all the images on the micro:bit's display.
The code is pretty straight-forward - we store all the images in a big list and the iterate through them, showing each one to the screen and the waiting for a button press before going on to the next one.
Here are the Python and hex files: