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) generating a first altered image frame that includes first and second non-overlapping portions, wherein the first non-overlapping portion comprises a first selected portion of the modified image frame, wherein the first image frame does not include the second non-overlapping portion, wherein the modified image frame does not include the second non-overlapping portion; and (5) generating a second altered image frame that includes third and fourth non-overlapping portions, wherein the third non-overlapping portion comprises a second selected portion of the modified image frame, the second selected portion of the modified image frame being different from the first selected portion of the modified image frame, wherein the first image frame does not include the fourth non-overlapping portion, wherein the modified image frame does not include the fourth non-overlapping portion.