All the selected images must be sRGB jpgs with a maximum width of 1400 pixels and a maximum height of 1050 pixels.
Note that the file name must be the Title of the image only
E.g. Mount Everest.jpg
As the submission process will build the file name needed for the competition for you - including your name. It also sends an e-mail to yourself and the organizers confirming your submission, club, e-mail etc.