Blonde Hostie... ground schools are in Sydney or Melbourne... can't imagine they'd have said they'd be done in Perth as there are no training facilities in Perth.
1flighty1, do you have microsoft image editor (or similar) on your computer... try changing the output size (in cm not pixels) of your finished image to about the size of a 'real' photo... or if you know someone good with Photoshop they can reduce the DPI of your image... how many megapixels on your camera... up around the 7 or higher range they tend to make photos really big... if you don't have a photo I think you can bring it to the assessment day, so have it ready printed out. If you can take it again try playing with your camera settings to set it to less MP (about 5 or so) and see if that helps. If all else fails try taking your camera and a memory stick to a camera store, they might be able to help.