Drag the balls about and click "Save" - an image (PNG) will be created which can then be used for whatever you like.
There's also a version for Golf, if you so desire.
Created by Reigate Priory Croquet Club for anybody's general use. Feel very free to copy host any generated images yourself, although credit is always appreciated!
Any questions/suggestions then please get in contact.
See some more details on the explanation page.