ACROSS
 1+6+19. ←EPIPEN USA PTS + E NICE _C← = CECI N'EST PAS UNE PIPE <comment on smoker in French>
10. BAR + RAM UND I_ = BARRAMUNDI <edible fish>
11. CAR outside VIA = CAVIAR <salt-cured delicacy>
12. <illustration> EXEMPLAR = EX [-t]EMPLAR
14. <roughly> ROUNDABOUT = BOUT after ROTUNDA - T
17. DOG E_ = DOGE <Venice's ruler>
18+22. <Belgian painter> RENÉ MAGRITTE = R ENEMA GRIT _TE_
20. S (SEMI-RURAL)* = SURREALISM <art movement>
24. <bobby> COPPER = CHOPPER - H
26. ANT IF BREEZE - B = ANTIFREEZE <glycol solution, for example>
28. <standard> NORM = (N OR M)
29. I_ + MAGE'S = IMAGES <visual representations>
30. <non-professionals> LAYWOMEN = _Y inside LAW + OMEN

DOWN
 2. ←I'VE← T_A_ = EVITA <musical production>
 3. <peninsular> IBERIAN = (.r)I-BERI AN(n.)
 4. <humiliate> EMBARRASS = ARR inside EMBASS[-y]
 5. (THE SOUR CREAM + EEL)* = THREE-COURSE MEAL <restaurant dinner?>
 6. <vehicle> PLANE = P + LANE
 7. <baffled> STUMPED = STUD outside (M + PE)
 8. <indicate agreement> NOD = NO D
13. AIS outside EG = AEGIS <protection>
15. ←(.s)AGE MO(n.)← = OMEGA <symbol of resistance>
16. REACHER inside T_Y = TREACHERY <betrayal>
19. B off E BARRING = EARRING <jewellery>
21. <Chesterton poem> LEPANTO = LENTO outside PA
23. <ring> TORUS = "TAURUS"
25. E'ER IE = EERIE <unsettling>
27. <strategy game> NIM = (.e)N IM(p.)