I don't know of any graphics, but if you read the 'run in and break' thread on the Mil Aircrew forum there are a number descriptions.
Some are quite technical referring to fast jets, but others give a very clear description of the manoeuvre.
This is almost too obvious to mention but I shall anyway:
Don't try it yourself until you've got lots of hours and have been properly taught by an instructor knows how to do it - either ex-Mil or a good aerobatics man.
Also, in case the worriers are concerned I've forgotten:
Right Time, right place, right aircraft and right pilot are all crucially important for reasons which have already been given.