Need some help and hope these haven't been asked for before. Feel I'm being particularly thick today!
8. Sounds like a crooked bird (9)
15. A window cleaner (7,7)
18. A rich fabric changes sides in the middle (6)
24. British furniture designer (6, '8', 8)
28. Mascot of a twisted little profound ache (1'5, 3, 6)