When it comes to falling down an Internet rabbit hole for a while, you could do an awful lot worse than the 'Photoshop Battle' page over on Reddit is an excellent way to wave goodbye to an hour. 

It involves a redditor posting an image, and inviting everyone else to tinker at it with Photoshop, with hilarious results. 

Take, for instance, this innocent bagpiper, posted earlier this month by the user XDMickeYXD:

And now get read to chuckle as the talented Photoshoppers go to work...

And our personal favourite...

Photoshopping heroes of Reddit, we salute you!