If you click on an image inside a box, a black bar will appear across the bottom.
"Properties" (the paintbrush) is a button that lists all effects of current options and available effects in that image frame - such as image options, border, shadow and gradient.
Available options in "Properties" including:
- Changing an image to black and white or sepia
- Adjusting the color
- Adding a border, a drop shadow or a gradient
You can also find the X/Y coordinates and size of the frame in "Properties."
If you have any additional questions, please email email@example.com.