Polgas said:
"PHOTOS
Supply nine (9) recent photos for each member of your family and yourself (accompanying and non-accompanying). Photos submitted must be properly labeled at the back with the applicant's name, date of birth and signature. Follow the instructions in Appendix B: Photo Specifications."
this is what stated on the appnedix B photospecification attached together with the appendix A from the embassy email
Appendix B - Photograph Specifications
TAKE THIS WITH YOU TO THE PHOTOGRAPHER
Notes to the applicant
Please read carefully and ensure that the photographer follows the instructions in the ANotes to the Photographer@ section.
Failure to submit the correct photographs will result in a considerable delay in the finalisation of your case. There is no extension to the validity of your immigrant visa.
$ Immigration photographs are
NOT the same as passport photographs.
$ Do not staple the photographs together.
$ Please also ensure that the photographs are free of pen marks, stains, ink blots and creases.
$
Please do not write anything at the back of the photographs. To avoid confusion, label the photographs accordingly on a piece of paper or envelope.
$ Only clear photographs will be accepted. The photographs must not be blurred and must be free from glares and rear shadows.
$ Please note that failure to submit the correct photographs can result in a considerable delay in the finalisation of your case.
$ Please have a new picture taken. Old photographs will not be accepted.