Linear Wipe - Feather rectangular (set completion) Motion tile - Flip art and

Add an expression

Option (or alt) click on the stopwatch for the property that you wish to add an expression.

Timeline Markers

Use the "*" key on the numeric keypad to add a layer or comp marker.

Adjusting motion blur level

Go into Composition Settings/Advanced and lower default level of motion blur Shutter Angle (270) down to a desirable level. Remember to do it in left, right, and 3D comp if you are doing stereo 3D. Those other comps need to have the motion blur setting on in the timeline and if so, will render a motion blur even if the switch is off on the main comp.

Position Layer Below Above layer at a Set Z Distance

thisComp.layer(index-1).transform.position+[0,0,2]