26,684

[creamegg]

8a- picture in post office is very exciting
p?o?o - photo?

5d- top gear to such as father ted, best act I broadcast
b?r?t?a?

6d- car's beginning to shake - its clapped out
c?o?k - croak?

16a- sharp reply regarding wrong
r?t?r?

19a- country ended test
p?s?o??? , something over?

18d- carrier for young fish I catch
???s?n??

26d- settles french country
????

29a- king george has the very thing - determination
????

[novalis]

photo
birettas
crock
retort
pastoral
basinet
pays
grit

[sandyRoe]

16a retort

[Oldred]

photo
birettas
crock
retort
pastoral
bassinet
pays
grit

[Lie-in King]

8a Yes, 'Photo' - 'hot' (exciting, in) 'P(ost) O(ffice)'
5d Birettas (priests' hats) - anag 'best art I'
6d C(ar)-rock
16a Re-tort (tort = wrong)
19d Past-oral
18d Bass-I-net
26d Pays (Fr "country")
29a Grit - G(eorgius) R(ex) + it (the very thing)

[creamegg]

thankyou very much , always nice to have them explained too, helps me understand more x

[creamegg]

one left, I think it is astir, but dont understand the prison part of the clue...a prison in commotion
a?t?r

[Lie-in King]

Yes, 'Astir' - 'stir' is a word for 'prison'