While we are unable to recommend any patricular shop for passport photos, in our exerience the following shops will generally produce acceptable quality passport photos.
It is recommendaed that you also request a digital .jpg copy of your passport photo.
Shalom Colorlab
231 Bain Street, Bras Basah Complex
#01-77
Singapore 180231
KT Colour
531 Upper Cross Street, Hong Lim Complex
#01-06
Singapore,050531
Standard Photo
302 Tiong Bahru Rd, Tiong Bahru Plaza
#B1-110
Singapore, 168732
Please ensure you have read the Australian Passport Office Photo Guidlelines before getting your photo taken.