I am using the decal feature to add an image to a sticker part model and the only option I see it to select the Image file path.   I am not using the 'Save Decal' option, which creates a p2d file, because I only need this decal to show up this particular part model (it will not be part of our decal library).   

Is it possible to save decal image inside of file instead of referencing externally?