image/png                      png              # Portable Network Graphics
image/tiff                     tiff tif         # TIFF image file
image/x-cmu-raster             ras              #
image/x-portable-anymap        pnm              #
image/x-portable-bitmap        pbm              #
image/x-portable-graymap       pgm              #
image/x-portable-pixmap        ppm              #
image/x-rgb                    rgb              # RGB Image File