4chan is a terrifying part of the internet – possibly the most sinister corner outside of the Dark Web. However, it often plays host to some of the more brilliant movements of the internet people as well. This just so happens to be one of those times.

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We’ve already seen several cyber attacks launched on ISIS. With the initial promise of destruction by Anonymous, and then people bombarding the accounts of the terrorists on Twitter with pictures of cats; the extremists are probably quaking in their boots. Or rather, they’re quacking in them, after this latest assault by some photoshop gurus.

Earlier this week, one user of 4chan suggested on the message board that it might be funny to edit ISIS’ own propaganda images, replacing their troops with ducks:

 …how about castrating the image of IS by replacing the faces on ALL the propaganda photos with bath ducks.

And they were definitely on to something. Here are some of the best.

(Use the arrows below to scroll through the images)