Drop Shadow
Use Drop Shadow to create a shadow on the underlying layers and footage, based on the alpha channel of the image or clip. You can use this to create imagery that appears to float off the screenin 3D.
OpacitySpecifies the transparency of the drop shadow.
Shadow CenterDetermines the location of the shadow. You can use the Set Position button to set the center.
FeatherSoftens the edges of the drop shadow. Use this slider to create a more realistic shadow.
Shadow ColorSpecifies the color of the drop shadow.
Resize ImageCreates a drop shadow that appears outside the layer boundaries.