what size of image to upload to itunes
Before you submit your podcast to iTunes. 1  Your artwork is a square jpg or png formatted image at least 1400 x 1400 and at most 3000 x 3000 in size in RGB color space (1400 x 1400 jpg image recommended). 2  A unique podcast program title (check iTunes to make sure your program title is unique). 3  At least one iTunes category selected.