Possible Clues:

• Stumble in feeble illumination
• Dismantle flimsy bathroom fixture?
• Remove flimsy tube attached to ceiling
• In Las Vegas, leading expert provides illumination for what goes on under the counter
• Journey in inadequate illumination
• Illumination in only half of street -- one difficult situation
• Blunder into discourtesy in the tube for the office
• Journey restricted by flimsy source of illumination
• Illumination for cartoons?