1: Propane explodes, theoretically (2,5)
5: Indonesian island embracing English language (7)
7: Write off aggregate (5)
8: Alan, Timothy, and a couple of Estonians follow me at breakfast, lunch, and dinner (9)
10: Dieter's first hint: hurl mostly for reducing (9)
11: Poplar is like a writer (5)
13: The short one may be drawn (5)
14: All the cards, plus cards held by ship workers (4-5)
16: Fifty are returning after the last hemp mixture has a short life cycle (9)
17: Retro gents in exotic parks (5)
18: Part of brutal one's claw (5)
19: Heart-shaped ribbed cloth I order (9)
21: Busted on a journey destined for the Orient (9)
23: Interstate trade is best (5)
24: Ask for bit of bread with melted cheese (7)
25: Discharge from Greek island (7)