Simple Crop
Crop a layer from each edge with simple controls, no pre-comping necessary.
Tutorial, 0:12
Simple Crop lets you crop a layer with simple controls, no pre-comping necessary.
Apply it to an image or pre-comp layer, then crop each edge in Effect Controls.
To install, drop the .ffx into your After Effects User Presets folder under Transform, refresh the Effects and Presets list, and it appears under Animation Presets, User Presets, Transform.