Play Toys with Me

Here's a web app that lets you swap RGB color channels on an image!

Now, you can also do this with any half-decent image editor, from Photoshop to GIMP, of course. But if you don't habitually use such programs, you might have fun playing with this.

In my experience, red/blue swaps often look the best, like the example images given:

But you can try them all!