1: Fiber extracted from thistles (5)
3: Halfback holding picture made an impression? (9)
8: Determined attack on a moribund collection (4,3)
10: Bounder beheaded by slippery swimmer (3)
11: Profile of study-trip (7)
12: Neuters wrestle majority of such neuters (7)
13: Revealing depravity, Dick the highwayman does not finish playing duet (9)
15: Goes bad and accepts never-ending abuses of the system (5)
17: Sit on marsupials and rats tail (5)
18: If forced, see idle TV broadcast (9)
19: Winning over the heart of quirky scatterbrain (7)
20: Records that could be hits (7)
22: In the manner of a girl (3)
24: I misread _Times_ article's final detail (7)
25: Tongue-in-cheek advice to enter cast (5,1,3)
26: Examples of containers (5)