A Magical Trouser Story. Curtis Crowthers only has to say the magic words Wowsers My Trousers and KAAA-ZING he has the perfect pair of trousers for any occasion. Diggy Dunlop however, never seems to have the right trousers at any time But, when their school has A Wrong Trousers Day everything suddenly changes. A tale about friendship and finding out why sometimes having the wrong trousers is alright.