1. A method for generating and displaying modified video, the method comprising: (1) acquiring a source video comprising a sequence of image frames; (2) obtaining a first image frame based on a selected one of the image frames of the source video; (3) generating a modified image frame by performing one of: (i) expanding the first image frame; (ii) removing a first portion of the first image frame; and (iii) stitching together the first image frame with a second portion of a second image frame; and (4) blending the modified image frame with a bridge frame that is a non-solid color and is different from the first image frame and the modified image frame, to generate a blended modified image frame; and (5) displaying the blended modified image frame.