Pick me up issue 10 puzzle6

[sandy10]

can anyone help pls stuck on:
5d:cogitate(4)?U?E
6d:disconcert (5,3,7) ?A?C?C?F???????
17d:with plenty happening(8) E???T???
18d:causing death(5) ???A?
20a:cinematographer(9) ?????????
24a: geometrical shape(4) ???
25a:evening church service (7) ?E?P?R?
26a:industrial oven (7) ???????

many thanks

[Zhukov]

muse

[emeritus]

25a Vespers

[squarebear]

18d fatal
25a vespers?
26a furnace

[shooty]

26 furnace

[Zhukov]

exciting

[squarebear]

17d exciting

[Zhukov]

fatal

[squarebear]

20a filmmaker?

[Zhukov]

furnace

[shoota]

5d muse
18d fatal
20a filmmaker
24a arc??

[merrythought]

5d muse
25a vespers

[bookbinder]

5 muse
6 knock off balance
17 eventful
18 fatal
20 cameraman
24 is it 3 or 4 letters?
25 vespers
26 furnace

[dannyk13]

17d Eventful

[shoota]

6d would appear to hold an error as I don't think there is a three letter word C-F?

[kateykatz]

5d: muse
6d: catch off balance
17d: eventful
18d: fatal
20a:cameraman
24a: oval
25a: vespers
26a: furnace