Possible Clues:

• Least decorated
• Most ordinary
• Very clear the pail is broken where the eggs are
• Most evident
• Least ornate
• Least decorative arrangement of pantiles
• Most unattractive nuisance gets sprawled out to tuck in
• On level ground, point the way - it's most obvious
• Most unembellished
• The end of 11 across is made very obvious like this