Follow these rules:

1. no landscape or portrait orientation. square only.
2. black and white or focussed on one color
3. no retouch and liquify
4. only filters allowed (but reserved)
5. sharpness doesn't matter
6. don't publish if you're not able to say something about it
7. as candid as possible
8. beat your GAS - use what you have
10. use a fixed focal lenght
11. filters are allowed (neutral density, etc.) and whished-for