Across
Hosts leaders of active Russian movement in extreme secrecy (6)
Moderate spring call (7)
I haven't cracked this one yet — but Fifteensquared have:
SPA (spring) RING (call)
Mumbling objection about terminology (5)
Diagram of sequences from fellow depressed companion with talent (9)
I haven't cracked this one yet — but Fifteensquared have:
F (fellow) LOW (depressed) CH (Companion of Honour) ART (talent)
Too much cycling for little child (3)
I haven't cracked this one yet — but Fifteensquared have:
OTT (‘too much’) with the last letter moved to the front or ‘cycling’
Unsuitable pixie needn't go swimming (11)
Perhaps the first Elizabeth R for cruciverbalists? (7)
I haven't cracked this one yet — but Fifteensquared have:
R is the first letter or HEAD of RED (‘for cruciverbalists’) – Elizabeth 1 was renowned for her red hair
Subject of script Diaz meant to be read in regular instalments (7)
I haven't cracked this one yet — but Fifteensquared have:
Alternate letters (‘regular instalments’) in s C r I p T d I a Z m E a N t
Historic Red Wedding? (11)
I haven't cracked this one yet — but Fifteensquared have:
Cryptic definition – a play on the fact that the SOVIET UNION (=wedding) was an ‘historic’ communist (red) country
Limit EU farming policy (3)
I haven't cracked this one yet — but Fifteensquared have:
Double definition – the second being the Common Agricultural Policy
Are digits manipulated for parliamentary family? (9)
Organic compound's manufactured there (5)
Back East Germany in Norwegian (7)
Temporary shelter's sign broken by worker (6)
Down
Indecisive Prince of Hungary with charm that's not universal (6)
I haven't cracked this one yet — but Fifteensquared have:
H (Hungary) AM u LET (charm) missing the ‘u’ (universal)
Issued electronic order to send duke down (8)
I haven't cracked this one yet — but Fifteensquared have:
E (electronic) MANDATE (order) with the D (duke) moved to the end or ‘sent down’
The French Teletubby runs in ecstasy after a hare (8)
I haven't cracked this one yet — but Fifteensquared have:
LE (French for ‘the’) PO (Teletubby) R (runs) IN E (ecstasy)
Voting system cool Democrat valued (6)
I haven't cracked this one yet — but Fifteensquared have:
PR (Proportional Representation – ‘voting system’) ICE (cool) D (democrat)
Mad Parisians might take a dip here it's said (6)
I haven't cracked this one yet — but Fifteensquared have:
A homophone (‘it’s said’) of IN SEINE (where Parisians might take a dip)
periscope.tv exercised potential (11)
Reference books deal with computer interfaces outside Delaware (11)
I haven't cracked this one yet — but Fifteensquared have:
FIELD (deal with) GUIS (graphical user interfaces – ‘computer interfaces’) round DE (Delaware)
Brown carries one ton - that's a huge figure! (5)
I haven't cracked this one yet — but Fifteensquared have:
TAN (brown) round or ‘carrying’ I (one) T (ton)
Files of king snakes (5)
Fiddler can finally speak before start of recital (8)
I haven't cracked this one yet — but Fifteensquared have:
TIN (can) K (last or ‘final’ letter of speak) ERE (before) R (first letter or ‘start’ of recital)
Reportedly menagerie feature in Channel Islands provides growth for American (8)
I haven't cracked this one yet — but Fifteensquared have:
A homophone (‘reportedly’) of ZOO (menagerie) + CHIN (feature) in CI (Channel Islands)
Piece from piano reverberates around city (6)
Say half of gnomes go without ordinary boozy concoction (6)
I haven't cracked this one yet — but Fifteensquared have:
EG (say) GNO mes (half only) + G o missing or ‘without’ ‘o’ (ordinary)
Aperitif lifted Spanish gent and salesman (6)
I haven't cracked this one yet — but Fifteensquared have:
A reversal (‘lifted’) of DON (Spanish gent) REP (salesman)
Type letters or click words in the clue