Three answers per commenter (with annotations) till 6PM.
ACROSS
1 Norse god overwhelmed by prayer for abundance (8)
5 Dad, say follows mother with original yellow flower (6)
10 Appreciates publicity note about society (7)
11 New black attire that's worn by heads of clergy (7)
12 Load some escargots (5)
13 Crooked directions when one's abandoned principles ? (9)
14 A brief quarrel, father left with anger - ultimately I have to try hard (6)
16 Old boy not in a passion for a meeting (7)
19 Storm ripped apart a party (7)
21 Headgear modest son left for wife (6)
23 Rags lying around the fishes (9)
25 Plump round bees all over the place (5)
27 Leading specialist leaves a deduction of disease (7)
28 A man has no time for lawyer's schedules (7)
29 Can endlessly trade showy ornament (6)
30 Articles on achievement by Mexican city (8)
DOWN
1 Dictated to put a fish (6)
2 Gem merchant stores a variety of wheat (5)
3 Instrument played by a choir man (9)
4 Ash to settle around university (7)
6 Salesman left mender a clotheshorse (5)
7 Ability yet to be developed (9)
8 Lauding President who’s moving to higher position (8)
9 A vehicle carrying accountant looking up at a calculating machine (6)
15 Waterproof canvas art spoiled by Paul at home (9)
17 A few nearly skip fast when drowsy (9)
18 A men's party with new worker is dull (8)
20 Scorn at Edward , giving flowery speech (6)
21 Loss of direction at a platform (7)
22 Sumptuous meals fellow eats out with sister 6)
24 Student with one easterner for example upset a feudal lord (5)
26 The French retiring with the German ,is a senior (5)
Across lite version can be accessed at the following link SARAL 2
Enjoy.