Select the Video ResizeCtrl Output and enable it.
Press Configure to create a list of resizing presets.
Use the mouse to squeeze and drag around the preset, or resize it using the transition spin-boxes;
Write the name of the preset in the Preset string and press Add to enter it in the list.
Click OK to apply.
Right-click on the first video you want to resize and select Insert > Event > Video resize Ctrl Output.
Select the Video Resize Preset you need from the
drop-down list. If there are no presets in the list, press Setup to define