Backcloth got decorated (9)

I believe the answer is:

garlanded

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'decorated' is the definition.
(garlanding is a kind of decorating)

'backcloth got' is the wordplay.
'backcloth' becomes 'gar' (I can't justify this - if you can you should believe this answer much more).
'got' becomes 'landed' (landing is a kind of getting).
'gar'+'landed'='GARLANDED'

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(Other definitions for garlanded that I've seen before include "beset by flowers?" , "adorned with flowers" , "bays (around head)" , "swathed in leaves" , "with distinction" .)

I've seen this clue in The Daily Express.

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