Every year the Edinburgh Fringe is positively awash with jokes. I've just sent in my nominations for the annual Dave's Joke of the Fringe Award, which selects the funniest one-liners at the Festival. It's a tough job watching comedians making everyone laugh but someone's got to do it. The winner of the prestigious prize will be announced on August 19.

 

But writing a one-liner is not all fun and games.