photo shop help

have a 84 chevy 4 door duelly..going paint it black pearl;;have a 36' car trailer that is black and i checkered flag paint graphics on sides;;can someone on here help me do a photo shop drawing of my truck and trailer hooked up with checkered design on truck so can see how it look before i paint it and then don't like it;;want the checkered design to start at middle of front doors at bottom of doors at a point and as they go back then they go up to angle to top of bed at rear;;or you play with it to look best..need help ASAP..want to paint this coming week;;