Our four (not in use as far as I know) cooling towers have been decorated for the 2010 world cup and this years confed cup. All sponsored by FNB, must have cost a fair bit... So much that they only painted two...
http://farm4.static.flickr.com/3464/3299611067_464796c98c_o.jpg
http://farm4.static.flickr.com/3464/3299611067_464796c98c_o.jpg