Observer Everyman Please Explain!!!!!

[Gavmacp]

Did not really struggle this week but cannot say I enjoyed. Cannot get the following.
13a. Duke, duke wife ignored (9) Answer Ellington
22a. Out of place down in Italy (5) Answer Inapt
24a. In New York City borough, see tailless cat by stream (8) Answer Brooklyn
1d. Provided in most new designs (6) Answer Motifs
21d.Check about first of Georges to rule as monarch (5) Answer Reign
Rather more than usual!
Thank you all in advance!!

[writesbad]

Duke of Wellington

Duke Ellington, jazz musician

[jno]

brook+lynx
check = rein; first of Georges = g

[elliemay1]

24 brook=stream
tailless cat=lyn(x)

[writesbad]

22 Nap is down (eg velvet), inside IT(aly)

[jno]

provided = if, inside new "most"

[writesbad]

1d If = provided, inside anag of most

[elliemay1]

maybe 1d should read 'if most' (anagram)??

[elliemay1]

^forget that!

[BlackadderV]

G in rein (check)

[Gavmacp]

Thank you all!