Do you remember when you beat Solitaire on Windows and all the cards bounce off the screen, leaving a “trail” behind them as they go, eventually filling up the screen? Well, Paintbrush offers the functionality to create this same leave behind trail effect with an image. Here is how you do it:

1. Open an image and select the portion to make a trail of.
2. Select the “transparent move” (the box where the green square’s background is the same as the background of the rest of the image).
3. Hold down the shift key and drag the image around the screen.

As you can see, a “leave behind” of the image is kept as you move it. The faster you move the mouse, the more of the image gets left behind.