Make your photos pop with colour.(Digital Image: TUTORIAL)

Surely you've seen television commercials in which everything is rendered in black and white except for one item--a person, perhaps, or the featured product--that appears in full colour. The trick is effective because your eyes are drawn to the splotch of colour image in a sea of grey. And really, the effect is a lot of fun.

On television, this trickery is typically done with the creative use of multiple cameras. On the PC, though, we can do it after the fact with a single image--you don't need to have this effect in mind when you take the shot. Best of all, it's not hard to do. It's particularly easy if your photo editor supports layers.

Here's the basic …