This crossword No. 11951 clues and answers were published on Wed 27 Aug 2008 and the puzzle can be visited by following The Guardian Quick Crossword No. 11951 link.
All Across Clues and Answers:
5-across – Covert trade in illicit goods : BLACKMARKET
7-across – Military land force : ARMY
8-across – Delicate – easily excited to laughter : TICKLISH
9-across – Cross the road on foot illegally : JAYWALK
11-across – Remove covering from : STRIP
13-across – Barely sufficient : SCANT
14-across – Inflatable rubber bag : BALLOON
16-across – Wedding : MARRIAGE
17-across – Toss – impertinent : FLIP
18-across – Cheap lodging for young travellers : YOUTHHOSTEL
All Down Clues and Answers:
1-down – Change : VARY
2-down – Pin in bowling game : SKITTLE
3-down – Jousting weapon : LANCE
4-down – Comprising just the bare bones : SKELETAL
5-down – Administrative system : BUREAUCRACY
6-down – Character recommendation : TESTIMONIAL
10-down – Amazing : WONDROUS
12-down – Type of sausage : SAVELOY
15-down – Sailing boat : YACHT
17-down – Destiny : FATE
This crossword has in total 20 where 10 are across and 10 are down.