Possible Clues:

• Get the knight up to bed with all that rubbish
• Do 80th birthday repasts include such starters and leftovers?
• Rubble, heap of broken pieces
• I'll leave showy flower at back of border over broken stones
• Scattered broken pieces, rubble
• Made Bristol depository for rubbish
• Teacher given the sack turned up in pieces
• Bride's shattering conclusion?
• Refuse rebid, changing to spades
• Refuse bride's groom