Unilever Bestfoods has switched straplines on its latest Pot Noodle ad campaign in anticipation of a rap from the Independent Television Commission. The new line, It looks dirty. And it is', has replaced The slag of all snacks' which drew hundreds of complaints from viewers who were concerned that children would see it. A spokesman for UB admitted that its campaign had been risky as well as risqué but said the ad had been approved by the Broadcast Advertising Clearance Centre before being shown. The campaign posters, which also caused controversy, come down next week. {{P&P }}