Crossword Genius

For heaven's sake, put every picture up (4,2,3)

Ross

I believe the answer is:

hang it all

I'm a little stuck... Click here to teach me more about this clue!

'for heaven's sake' is the definition.
I know nothing about this answer so I cannot tell whether this works.

'every picture up' is the wordplay.
I cannot quite understand how this works, but
'every' could be 'all' (similar in meaning) and 'all' is located in the answer.
The remaining letters 'hangit' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

'put' acts as a link.

Can you help me to learn more?

I've seen this clue in The Daily Express.
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