Across
| 1 | Quit, embarrassed about debut of erotic billboard (8) |
| 4 | Metal tags surprisingly please clients (7.6) |
| 9 | Saw off a BB gun one dispatched (10) |
| 10 | Unpopular bore tumbles inside garden exhibit (9) |
| 11 | English class requirement inanely sets make-or-break criteria (6,5) |
| 12 | Fruit cereal for Reverend Spooner's dog (5,4) |
| 14 | Atomic trial in bad taste (1-4) |
| 15 | No interest in trainers capturing game for shippers (12) |
| 18 | Old, silly men are extremely dumb, and it's a reason to go to Reno (3-5,7) |
| 20 | Note nickel and lead in vehicle (7) |
| 23 | Charming man's pictures, reportedly? (6) |
| 24 | Involved with assigning a cause for Gaelic tool I damaged (11) |
| 26 | Sponsors' free tickets accommodating off-key tenor (11) |
| 27 | Disaffection from a legal claim action losing copyright (10) |
| 28 | Craven, you once lied about sound of a cow bell (6-7) |
| 29 | St. Roger, consuming bit of nourishment, is healthier (8) |
|
Down
| 1 | Fixing up exterior of ramshackle dwelling takes pair of linchpins (14) |
| 2 | Ringo, dancing, entertains fools (11) |
| 3 | Escorted around, I've returned and changed (8) |
| 4 | Arranging bail isn't rare for certain party members (12) |
| 5 | Trap veteran sneaking back inside (7) |
| 6 | Those with children in favor of rebuilding reactors (11) |
| 7 | A shirt wrapping nurse's one present (8) |
| 8 | Good times reflected; endless money and multi-flavored ice cream (7) |
| 13 | Work until zaniest idiot is committed (17) |
| 16 | Curious random glances for one spreading rumors (13) |
| 17 | Famous Italians describing new scheme, finally; how and where to buy snake oil? (8,4) |
| 19 | Supporter comes back before messy trial involving umpires (8) |
| 21 | Onset of elitism, essentially, in one country (10) |
| 22 | At first, starling circles nest as quickly as possible (7) |
| 23 | Provide money for keeping PAC in seat of power (6) |
| 25 | Correct a typo, adding “p” to “scalp” (7) |
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