ye thats pretty funny...i never would have thought of that
go to the doodle page (doodles.google.com/d4g), then you must press enter a doodle, then you have to enter all your information and upload your doodle (you must let it load the picture of the doodle), then verify your not a bot and verify you read the rules and last step, press submit and your doodle will be submitted.