The 2010 world cup is a pride of Africa and not just South Africa. In the hopes of cashing in on the experience and publicity, and to promote art artists are selling their wares around this theme online.
The most notable example is the Official Art Poster Edition of the 2010 FIFA World Cup South Africa comprises works on football by seventeen internationally acclaimed artists. The collection of posters was officially licensed by Fifa and include work by people like William Kenbridge and Barthelemy Toguo.
You can visit their website for purchases.