This crossword No. 13969 clues and answers were published on Mon 16 Feb 2015 and the puzzle can be visited by following The Guardian Quick Crossword No. 13969 link.
All Across Clues and Answers:
5-across – One swallowing flames for a living : FIREEATER
8-across – Marijuana : HEMP
9-across – Superficial — lipstick, say : COSMETIC
10-across – Two champers bottles in one : MAGNUM
11-across – Very old relic — outdated person : FOSSIL
13-across – Cheerful — positive about the future : UPBEAT
15-across – Style or arrangement of a TV programme : FORMAT
16-across – Amazingly impressive : DAZZLING
18-across – Friends and acquaintances : KITH
19-across – By deferred payment : ONACCOUNT
All Down Clues and Answers:
1-down – Old coin worth two and a half new pence : SIXPENCE
2-down – Digital viewer transmitting images live : WEBCAM
3-down – Mountainous plateau : MASSIF
4-down – Venerable author of The Ecclesiastical History of the English People, d. 735 : BEDE
6-down – It : SEXAPPEAL
7-down – One taking the law into his own hands : VIGILANTE
12-down – Conspicuously impressive : STRIKING
14-down – Involuntary movement : TWITCH
15-down – Ball of chopped liver, bound with herbs and bread, then fried : FAGGOT
17-down – Wacky : ZANY
This crossword has in total 20 where 10 are across and 10 are down.