Those Japanese artwork ones are some of my favourites. Really beautiful job putting those together Darth Solo. Although the 'classic' logos works fantastic too, I really like them with the simple OG SW logo too, maybe even a bit more.
I kinda wish they were a bit higher resolution for high quality printing, thought I am not sure if that even exists of the original artwork, but if someone has a higher res captures of any of these, please drop me a PM.
If anyone is interested, you can see the original manga cover art by Noriyoshi Ohrai here: http://felixip.blogspot.ca/2012/12/star-wars-illustrations-by-noriyoshi.html.