Add an Image to your Scene.
...lets you select the desired Image. Animated GIF files and files with transparency are supported (png for example)
Allows you to tint the image. White is completely normal.
Change the visibility of your Image.
Activate this option to allow any file changes that occur to be applied in real time.
Activates the chroma keying.
Select the desired Color you want to chroma key out of your Image. (Make transparent)
How much the selected color is allowed to vary. A higher value, means it can vary more.
Specified how much to smooth out the edges chroma keyed color. A higher value means smoother edges.