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11a burn necessitates loss of large melon.(10) Guadeloupe?
12a postmaster left holding the alarm again (6,6)
18a course conditions to affect thriving business (5,7)
20a got valued to move opening estimate for tourism book (10)
24a reportedly scrap layer of garment (9)
2d old picture in indecent state (4,6)
5d ladies' group paid Ike to divert source of information(9)
7d Frenchman,good person to love an artist (12)
13d keeping watch over party in Africa (10)
17d best to clobber TV programme (3,4)
21d over tiny contents of inner tube (4)
You're welcome, Redglenys. You're maybe being a bit hard on yourself - I'm sure you'd have got some of these with the letters you got from the first few answers.