Greatly exaggerated by the photographer? (5,2)

I believe the answer is:

blown up

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'greatly exaggerated' is the definition.
The answer and definition are not the same part of speech. However, adjectives and past participle verbs occasionally define each other.

I don't understand the rest of the clue.

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(Other definitions for blown up that I've seen before include "Exploded" , "what the bigger picture is" .)

I've seen this clue in the Evening Standard.

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