Bonus clues for Practical Foolishness

Across
8 Troubles stirred up in dirty vase. (9)
The answer is ADVERSITY, an anagram of dirty vase
11 Work on a quilt dawn to dark; note after mi, blind walleye pike, Rock Hudson co-star. (3, 3, 3)
The answer is SEW ALL DAY; note after mi is so, a blind walleye is a wall, Doris Day was a frequent Rock Hudson costar.
15 Neatest, keenest; short Spanish most uncertain. (9)
The answer is SPIFFIEST; Sp. iffiest.

Down
1 Strikes woman with multiple personalities; in the beginning Slavic Psychiatrists systematically bill. (5, 5)
The answer is SLAPS SYBIL; Sybil a famous multiple personality case; SLAvic PSchiatrists SYstematically BILl.
5 Follow little snack maker or attach monkey appendage to infamous Dallas doer. (4, 6)
The answer is TAIL DEBBIE; follow (little) Debbie; put a tail on Debbie from Debbie Does Dallas.
14 In re young demon pried from the impasto. (2, 2)
The answer is AS TO; in re, (imp)asto

Back to the damned puzzle.