File Specs
Adobe Photoshop: 300 dpi (min) CMYK (.tif, eps, psd w/layers if possible). Scale at 1/4 inch = 1 foot or 1/2 inch =1 foot.
Adobe Illustrator: 300 dpi (min) CMYK, .ai, .eps, or high res .pdf, convert all type to outline. Scale at 1/4 inch = 1 foot or 1/2 inch =1 foot.