If no 2x version of an image is found, replace it with the full sized image, this assumes that a 2x size could not be created due to source image size
If no 2x version of an image is found, replace it with the full sized image, this assumes that a 2x size could not be created due to source image size

crowdfavorite/wp-hidpi-images,crowdfavorite/wp-hidpi-images