ANH: All original effects shots recomposed lazily. Terrible looking CGI creatures sprinkled throughout. The cut Jabba scene reinstated with terrible looking CGI. Censor the Imperial officers deaths when Luke, Han and Chewie blast 'em. Crush the blacks and alter the colors to the point where nothing looks real or normal or good. Ruin the original sound mix.
ESB: All original effects shots recomposed lazily. New shots of the snow monster but make him look different than the other two designs that already conflict in the film. Remove the original Emperor and add in the goofy monster face version from ROTS. Luke screams while falling in Cloud City. Crush the blacks and alter the colors so that nothing looks real or normal or good. Ruin the original sound mix.
ROTJ: All original effects shots recomposed lazily. Add a Vegas style musical number in Jabbas palace. Make the sarlacc look like Seymour from Little Shop Of Horrors, except use crappy looking CGI. Replace Sebastian with Hayden. Crush the blacks and alter the colors so that nothing looks real or normal or good. Ruin the original sound mix.
Oh... wait.. All of that happened and more..
Damn, man.