Well, the challenge did say make the image just the punchline...

...so hopefully this isn't too obscure?! Perhaps a better source pic wouldhave helped?

From the Punchlines challenge. See all 504 entries (closed)

(RiverChelt, Wed 28 Feb 2007, 12:35, archived)

Yup
Totally lost.
( Mrs Trellis has her two Misses Trellises at home :), Wed 28 Feb 2007, 12:37, archived)

Knock knock...
...who's there?
(RiverChelt, Wed 28 Feb 2007, 12:37, archived)

*squints at pic*
Ooooooooooooooohhhhhh!
( Mrs Trellis has her two Misses Trellises at home :), Wed 28 Feb 2007, 12:38, archived)

Ah
I can hear his proper voice when I read it now.
[Edit: Needs more scaaaaaaarrrrrrrrrfffffffffffffffffff]
( joefish wonders if planting 3 trees offsets enough methane, Wed 28 Feb 2007, 12:40, archived)

The correct punchline is 'You've just said it'
and has bindun. Page 1 of the challenge:
www.b3ta.com/challenge/punchlines/page1/
But thanks all the same for reminding me I need an eye test.
( Geoff the Clownfish You know Myra, some people might think you're cute, Wed 28 Feb 2007, 12:47, archived)

It's not just me...

( Professor Kenny Martin Purplestock 2012, check my profile, Wed 28 Feb 2007, 12:37, archived)

Doctor?
Who?
(RiverChelt, Wed 28 Feb 2007, 12:38, archived)

Yes, now that you've said it I recognise him...


Cor, second time today...
( Professor Kenny Martin Purplestock 2012, check my profile, Wed 28 Feb 2007, 12:40, archived)

hehe
me likey
( rosey on twitter as @helenelectric, Wed 28 Feb 2007, 12:38, archived)

hahaha
I got it, the source pic is perfect!
( Fishcat Good morning, that's a nice tnetennba, Wed 28 Feb 2007, 12:38, archived)

oh la la...
..ward..

*rubs thighs*
(MrKane Resurrected According To Plan Nine, Wed 28 Feb 2007, 12:45, archived)

pffft!
took me way too long...
( pzyko vs the truth about electric can opener reviews, Wed 28 Feb 2007, 12:48, archived)