Possible Clues:

• Do a cover-up job in the house
• *'Either that ___ goes, or I do' (Oscar Wilde's reputed last words)
• Pasted covering
• Decorative cut-and-paste material
• Report on the site of the Humpty-Dumpty tragedy?
• Room decoration with a pattern
• Decor choice
• Upset about second article expunged from pontiff's canon as part of a cover-up?
• Alternative to paint [2]
• Item used by 23 Across