Can someone tell me where the punchline is in this comic strip?

[Broken Glass Can]

hmmmm.....

[Hamish McBagpipe]

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The comics these days are all crap, save Dilbert.

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You are wrong. There is nothing that starts my day off better than perusing the hilarious hijinks of that crazy Marmaduke.

[TimTimSalabim]

I was confused, too, until I found this on the author's FAQ page:

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Where do I get my ideas?

I think really, really, really hard.


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