12 january lo to explore the different features of imovie and experiment with different genre features tueday 24th january SFX TO CREATE A REALISTIC GREEN SCREENED CLIP USING IMOVIE computer-generated imagery (special visual effects created using computer software). "fewer real stunts are performed because filmmakers can just use CGI" This includes the use of mechanized props, scenery, scale models, animatronics, pyrotechnics and atmospheric effects : creating physical wind, rain, fog, snow, clouds, making a car appear to drive by itself and blowing up a building, etc. Mechanical effects are also often incorporated into set design and makeup.