Solutions

ACROSS
7 Sweeper.
(two meanings)
8 MrRight.
M(R+R)IGHT
10 On one's toes.
(two meanings)
11 Geck.
GEC+K (GCE anag.)
12 Coxswain.
(straight cryptic)
14 Harlem.
(anag.)
15 Irish setter.
IRIS+H+SETTER
19 Do well.
D(O)WELL
20 Remarked.
RE+MARK+E+D
22 Scot.
S+CO+T
23 Centre half.
CENTRE+H+ALF
25 Crossed.
CROSS+ED
26 Messina.
MESS+IN+A


DOWN
1 Swindon.
SW+IN+DON
2 Dean.
DE(A)N
3 Red Sea.
REDS+EA
4 Brass hat.
BRAS+SH+AT (TA rev.)
5 Ginger-beer.
GINGER+BEE+R
6 Chicken.
(two meanings)
9 Going strong.
GOING+STRONG
13 Screen test.
SC(R)EEN+TEST (scene anag.)
16 Selected.
SELECT+ED
17 Concern.
(two meanings)
18 Dealing.
(two meanings)
21 Marred.
MAR+RED (der & ram rev.)
24 Hash.
H+ASH