hi was wondering if anyone could give me any advice i want to buy this https://www.jenningsmotorgroup.co.uk/shop/view/1761323-ford-ka-grand-prix-stripes-decal-kit-carbon/ i phoned them to ask how easy it would be to put on and the guy on the phone said it was just like a big sticker but i dont want it to look crap so any help is appreciated.