Ripple Effect
by Kegler

Each intersection in the inner "ripple" (i.e., ring) contains three letters; the next wider ripple
has two letters per intersection, and the outermost ripple has just one letter per intersection.

Ripple Effect grid

Across
8Resist chance, briefly, to sit (6)
9Original pairs of untamed tigers distractedly lying in a topsy-turvy way (8)
10Sternly took radical Russian exile (4,7)
11Drink, in general, overwhelming simple one (8)
12Bright red seen in mold, for the most part (5)
13“Grapes of Wrath”, even, is rewritten? (4,7)
15Clip the coats of hopping hares (5)
16Distant objects, items of very little value (9)
17Pair of observers lied about gun, as required (9)
20Prepare bride's accoutrement (5)
22He drove race recklessly and tried to do too much (11)
23Sullen nuisance exhibits boredom (5)
25Fish, cold, is starting to molder; a breach of etiquette (8)
27I lean gently, awkwardly, gracelessly (11)
29Barrier nearly tricks sea mammals (8)
30Beautiful view of Parisian tower, we hear (6)
Down
1Oration in Spanish church containing errors (6)
2Image of distressed parent in court (11)
3Tyrant loses southern station (5)
4Starting late, plucky cleaning woman initially misplaces talisman (5,5)
5Purloined wrap (5)
6Scold him, and so wrongly (8)
7Pretend to be happy to see good land had rocks inside (4,4)
13Tipsy men vowing, in an action that might lead to mating? (7,4)
14Determined, he finally housed horses around his complex (11)
16Profile a strange gem (4,4)
18Head counts at a decade's worth of proms? (11)
19Delightful quality of dress adorning one belonging to me (10)
21An easy job, moving leadoff from first to third? Not sure (8)
24Connected dots from, um, Louisiana to Utah? (6)
26Destroy small tree (5)
28Implement wild party's return (5)

Solution