ShowbizThe ten biggest earning adsMetro Reporter11 April 2012 Walkers crisps - £245m Persil detergent - £215m Diet Coke - £200m Hovis bread - £195m Coke - £190m Kingsmill bread - £185m Warburtons bread - £165m Ariel detergent - £155m Nescafe Original coffee - £140m Pampers nappies - £115m MORE ABOUTBreadCoca-colaCoffeeCola DrinksSAndp500 Consumer Staples