I want to layer and resize a video over another video to make an f/x video clip (NOT transition). if this is possible, what are the steps to get me in the right direction? The clips i want to combine are about 20 seconds long.
Adding layers to a composition and adjusting their scale and position are some of the most bare-bones basic things to do in AE. This is the best (free) resource I know to get up to speed on using AE: Getting started with After Effects