Related Clues:

• Toughie set for the afternoon is faultless
• Bill has correspondence with leading lady
• Movie advertisement
• Short preview for a movie
• Blog contributor
• Tricky question from guy close to minister
• Ad on a wall
• Light refreshments with Queen for poser
• In private, a serious and particularly baffling problem
• "Coming soon" ad
• Dorm room wall decoration
• Shocker, say, tackling sweetheart problem
• Notice problem about temperature
• Stunning device packed with energy in puzzle
• Tricky question plucked from quite a series