^ they look great - really like the reflective / transparent Vader and Emperor pics for your ESB & ROTJ covers, as well as the ‘slideshow’ on the back covers 😃
Have you checked out doubleKO’s great collection of posters? (the link is low down on this page - http://originaltrilogy.com/topic/HI-Res-Poster-Art/id/2311/page/17)
^ If you’re looking for something a little different for ROTJ then it may be worth a look at mate.