Graffiti inspires Tunisia art revolution

International collectors became interested in Tunisia's art - and especially its graffiti - during the uprising two year ago, when television pictures showed revolutionary murals plastered throughout the country.

After the revolution, artists have more freedom to create, and are developing new ways of selling their work.

But while the political censorship of the Ben Ali years has gone, is creativity being hampered by a new form of religious censorship under an Islamist-led coalition?

Jeremy Howell reports.