No need to leave the document itself and use a 3rd party software to edit images and pictures. Now, you can change images right inside the document itself.

Select the image/picture within the document and:

You can:

This feature can be very helpful and save time.

Use The Drop Down Menu

Editing Images - Image Options

Use the "Image Option" feature to change colors of images, adjust transparency, brightness, and contrast.
You can also choose negative colors. A nice feature is that the image is changed, not the background.

Revert Back To Original Image

You can always revert back to your original image. Choose, "No Re-Color" in the Image Option sidebar.