1: Sister gets nothing, we hear (3)
3: 15-acrosss toilet pot? Rubbish! (5,6)
7: Spread Dianne's pearls around (9)
10: Cheyenne Mountain installation produces radon mixture (5)
11: In a way, suffer from stain all around us (7)
12: Place to grow fruit trees, or a leafy veggie (7)
13: Small item showing what poodle parlor may do (7)
15: A little party is often needed in the garden. (7)
16: Site of the Taj Mahal seen in faint illustration (7)
17: Believes in harnessing hydrogen for sources of propulsion (7)
19: Seize broadcast mogul (7)
20: Nice gal unusually well-behaved (7)
22: The Commander went to the communist and ripped his heart out. (5)
23: Prepare too much for apparent downpour (9)
24: Fast times with company cracked high-strung recruiter (6,5)