Stuck on a few this week!
17a Hut man occupying barn is sentimental(6)
N ? S ? E ?
18a Architectural feature: it always comes around in souvenir view (8) ? A ? Y ? T ? ?
22a US lawyer, after train crashed, making introduction (7) I ? T A ? A
25a Discovery about drug addict? (5) ? ? E ? ?
And now the down!
21d Small battle between Germany and France (5)
D ? A ? ?