Zoom
Allows you to pick a region and zoom it to another region, with full border & aspect control.

Source Corner 1 Source corners define the region you wish to zoom in on
Source Corner 2
Destination Corner 1 Destination corners define the region you wish to place the source region when zoomed
Destination Corner 2
Zoom Animate the zoom. At 0, there is no effect, at 100%, fully zoomed.
Border Set up the border to use a color, or another layer.
Border Layer If Border is set to Layer, the layer you wish to use for the border.
Border Width The width of the border around the zoomed region
Border Color If Border is set to Color, the color of the border.
Maintain Aspect Ratio When checked, the destination region is modified to match the aspect ratio of the source region, eliminating non-uniform stretching.
Zoomed Region Only When checked, only renders the zoomed region. Use this to apply bevels, drop shadows, etc. to just the zoomed region