Lister,
From the front. The A65 (our A65) requires little more than just pulling the prop through but a nice firm footing is still required though, and hand behind back as Stik suggests. After priming I also cut the fuel off, leaves enough time to stroll round to turn it back on, but if the inconceivable did happen and it jumped the chocks, it wouldn't get very far.
I reckon there are two main types of solo hand starters, those who have forgotten to take the chocks out once strapped in...and those about too