No 11476, Tuesday 18 Aug 2015, xChequer

Couldn't get 11A.

ACROSS
7   Lady without capacity to change with time (6) EVOLVE {E{VOL}VE}
8   Prisons, cops and robbers (8) BRIGANDS {BRIG{AND}S}
9   Income tax during previous year is the main issue (8) PRIORITY {PRIOR}{IT}{Y}
10 Cold days preventing elderly getting sponged (6) CADGED {C{A{D}GED}
11 This pigeon sometimes nods? (5) ?O?E? (Addendum - HOMER [CD] - See comments)
12 Imprison trainee (6) INTERN [DD]
14 Hypothetical big bang theory describing nothing at depth, hence getting ignored (5,2,3,5) GOING BY THE BOARD {BIG+BANG+THEORY}* around {O} plus {D}
17 Instrument in my bag (6) CORNET {COR}{NET}

18 Guide one through scheme (5) PILOT {P{1}LOT}
22 Letters getting torn in post office right away (6) PRONTO {TORN}* in {PO} Anind not clear? See comments
23 Detectives in a spot? That's sweet (4,4) ACID DROP {A}{CID} {DROP}
24 Wild rush characterised by Ecstasy (8) STAMPEDE {STAMPED}{E}
25 Legendary setter's almost stupid (6) MYTHIC {MY}{THICk}

DOWN
1   It's the solver's responsibility now (4,2,3) OVER TO YOU [CD]
2   A delight in securing key niche (6) ALCOVE {A}{L{C}OVE}
3   Scheduled to return and resign (5) DEMIT <=
4   Distinct creed is developed over time (8) DISCRETE {CREED+IS}* over {T}
5   Cool twist and turn in dance (8) FANDANGO {FAN}{AND*}{GO}
6   Artful dodger making grand exit with stranger (5) ODDER DODgER*
8   Outrageous hype, belated hustling carries on (6,3,4) BEYOND THE PALE {HYPE+BELATED}* around {ON}
13 Ore coming out is related to efficiency in operation (9) ERGONOMIC*
15 Prison label or tag (8) NICKNAME {NICK}{NAME}
16 Donkey, hitched, gets bored (8) BURROWED {BURRO}{WED}
19 Say charge to write in olden days (6) INDITE (~ indict)
20 Gas price framework for furnace (5) GRATE {G}{RATE} G for Gas?
21 Transparent coating close to epoxy (5) FILMY {FILM}{e..xY}