The competition received a boost on Tuesday when comedian and serial Tweeter tweeted about the contest to his 1.8 million followers.
Fry said: "Sometimes 140 characters just isn't enough – an interesting competition celebrating the art of copy writing".
In return in a football shirt with the slogan "Tweeting canaries Fry into the top spot".
The judging panel for the contest, which is being held in association with ±±¾©Èü³µpk10, includes David Droga, the creative chairman of Droga5, Gavin Kellett, the head of copy at Publicis London and James Lowther, founding partner of M&C Saatchi.
Creative teams have to design a cross-track poster for the London Underground, which demonstrates that long copy remains an effective tool that can still hold consumers' attention.
A Grand Prix in each of the two categories – Commercially driven and Not-for-profit – will award each winner £125,000-worth of cross-track media space on the network in Central London.
The 48-sheet designs must use a minimum of 50 words and maximum of 200 words of copy to advertise a brand or client and the winners will be revealed at an event on 3 November.
More details are available at .
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