Like a fashionable photo? (6)

I believe the answer is:

snappy

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'like' is the definition.
Both the definition and answer are adjectives. Perhaps they are linked in a way I don't understand?

I don't understand the rest of the clue.

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(Other definitions for snappy that I've seen before include "Instantaneous" , "Quick and energetic" , "Irritable - quick - fashionable" , "Informally brisk" , "Irritably abrupt" .)

I've seen this clue in the Evening Standard.

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