ACROSS
1 Gadgets displaying pretension (3,7) TIN OPENERS*
6 Yin's antithesis – nature's governor, to begin with? (4)
YANG Acrostic Semi&lit
9 Swan Island's latest script (10) PENMANSHIP {PEN}{MAN'S}{HIP}
10 German lad looking back and forth? (4) OTTO <=>
11 Unsettling joke welcomed by bachelor, relaxing (4-8) BONE-CHILLING {ONE} in {B} {CHILLING}
15 Wear out car part (7) EXHAUST [DD]
16 Washing facility, bar and hotel bill in retreat (7) BATHTUB{BUT}{H}{TAB}<=
17 Some French ate aubergines in their big house? (7) CHATEAU [T]
19
Over-
use worn-out
bodies of work (7)
OEUVRES*
20 Drunk eager to follow competition, Rangers gutted (4-8) BEER-SWILLING {WILLING}<=>{BEE}{Ra...rS}
23 Good to throw a ball (4) GLOB {G}{LOB}
24 Charitable gesture in which writer's backing tyranny (10) DOMINATION {DO{I'M<=}NATION}
25 Hairy beasts' jaws (4) YAKS [DD]
26 Stresses from unfortunate mishaps, see? (10) EMPHASISES*
DOWN
1 Ends giving clues (4) TIPS [DD]
2 Grandma's somewhat bananas (4) NANA [T]
3 Engineer ruins tape: no help for musicians (5,6) PIANO TUNERS*
4 Nostrils running, you say? Easily fixed! (2,5) NO SWEAT (~ nose wet)
5
Perhaps Victoria's sporting mostly
blue
hair (4,3)
RAIL HUB {BLU
e+HAIR}*
7 That man's Conservative: the old are first thing to study (3,7) ART HISTORY {HIS}{TORY}<=>{ART}
8
He defeated Gore;
he bugs Gore terribly (6,4)
GEORGE BUSH*
12
EU members shun Italian reforms (11)
LITHUANIANS*
13
Bravo for every malfunctioning
vehicle (5,5)
BEACH BUGGY {B}{EACH}{BUGGY}
14
Tourist guide,
Romeo during season, with hygiene problem? Yes (6,4)
PHRASE BOOK {PH{R}ASE}{BO}{OK}
19 Spooner's expressed imperial desire to be like Saudi Arabia (3-4) OIL-RICH (~royal itch to oil rich)
22 Pubs in which Everyman sits finally absorbing news (4) INNS {I}{sitS} over {NN}
Reference List
Joke = ONE, Bachelor = B, Hotel = H, Good = G, Bravo B, Romeo = R, Hygiene problem = BO(Body odour), France = F, News = NN