The official photos of the OK Dinghy 2012 Worlds at Vallensbaek are online here. You may have seen the pictures in a variety of places. You can get prints at cost.
In addition, one of the other photographers at the event has put up a fantastic photo gallery of his best pictures from the event. You can order prints in a variety of finishes and sizes.
Here are an example of some of the photos, at reduced resolution. The originals are here, and are stunning.