Not the Saturday Prize Puzzle – 100
Happy Anniversary by Prolixic
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Foreword
Welcome to the latest in our series of weekly puzzles.
For the 100th puzzle, we have a specially themed contribution from Prolixic.
The puzzle
Happy Anniversary by Prolixic
There is an interactive version of the puzzle here.
If you prefer your puzzles on paper, a pdf of the puzzle can be downloaded from the interactive version.

With thanks to Gazza and Radler
| Across | Down | |||
| 1 | This TV presenter is embroiled in bad language (9) | 2 | Have enough semen to go down the tubes (3,2,4) | |
| 6 | Traffic officer heading off after opponents (4) | 3 | Turn back abruptly (4) | |
| 10 | Get support from silent criminal (6) | 4 | Pamper wee runts (3,5) | |
| 11 | Detailed rubbish admitted in statement (8) | 5 | Silly Americans support engineers making scarves (7) | |
| 12 | Reported hitch in logical statement? (3) | 7 | With fervour deal with farmer’s responsibility? (10) | |
| 13 | Problem slut (6) | 8 | Reportedly lift trophy (5) | |
| 14 | Produce note yours truly returned (4) | 9 | College athletes, not British, found in 1a (5) | |
| 16 | For Rene is his weather about storms? (8) | 15 | Rests uneasily after sons went in fast cars (10) | |
| 17 | Informally John Thomas or William (5) | 18 | Evangelical building without a steeple? (3,6) | |
| 20 | Dug up adder father discarded (5) | 19 | When I appear astride a stool perhaps (8) | |
| 21 | Fence in pigs and birds (8) | 21 | Old Zulu’s standing to welcome singer in lively movement (7) | |
| 23 | Cultured sommeliers bottle wines (4) | 22 | Walk in Lake District area leaving camp behind (5) | |
| 25 | One who controls the image of Republicans (6) | 24 | Raise central level around elevated floor (5) | |
| 26 | Macbeth for example loses an article (3) | 27 | One thousand good warriors (4) | |
| 28 | Crazy old leery communicator? (8) | |||
| 29 | Shy Earl follows protest (6) | |||
| 30 | French art overlaps with scripture and Gaelic (4) | |||
| 31 | Tracing precise legal ownership (9) | |||