I have various scratches spread out across the body of my beloved 02 xls. after ordering touch up paint in a "Harvest Gold" color and applying to a more obscure area of a scratch, it occured to me that there is no obvious, sure-fire way of pulling this off and making it look seemless. Even after thoroughly shaking up the paint, there is a slight discolorment. Moreover, they give you this p.o.c. little brush to apply it with that leaves brush-stroke marks. any ideas? thanks.