Photoshop Elements 10 allows you to flip or change directions of the images on your workspace. Flipping an image horizontally produces a mirror image that helps you reverse the text in the image ...

You can invert colors in Photoshop to create a "negative" of an image — you just need to go into the Adjustments menu. Here's how.

How to make editing raw images part of your natural workflow with Photoshop Elements.

Press "Shift-Ctrl-I" to invert your selection. Keeping the foreground and background elements of the image separate ensures that you only blur the background when working with the Blur brush.