Image Specifications: 1) Files must be sized so the longest dimension is 4,000 pixels. 2) Resolution of 200 pixels per inch. 3) Each file must contain an embedded color profile of sRGB . 4) Save each file at JPEG quality setting 10 (Photoshop) 80 (Lightroom) or equivalent. 5) The total file size must not exceed 3.5 MB or file will be rejected.