Square designs of equal height and width. Finished flag is likely to be 150x150cm / 5x5ft. No tiny details. Must be viewable from a distance. Must be primarily black and white. No photographs (can include people and faces, but these will rendered into a simplified graphic format). Positive theme (so forget the anti-Cardiff stuff!). Keep text to a minimum. Club or Wales-related themes. Club badges (past and present) CAN be used. One design entry per person.