djdave, these are for you! Sorry I took so long. I built these completely from scratch, trying to look as much like the American jewel cases as possible (mostly in the style of Volumes 1-3), even for the Japan only Namco Museum Encore. It was fun, but very tedious. Finding logos and screenshots for all of the games online took forever, especially making them all the same size. I also made up* English text for Encore, trying to capture the feel of the other US games. I added the appropriate icons missing from the US covers, using the US names/ product numbers where available, as follows:
Optional Controller SLEH-0003 = NegCon
Optional Controller SLPH-00015 = Volume Controller (aka NES Arkanoid Vaus controller, only released in Japan)
Analog Joystick Compatible = Sega twinstick style analog flightstick, released before the DualShock or Analog Controller in general
Optional Controller SLEH-0004 = Namco Arcade stick (AKA Soul Edge stick in Japan)
By the way, djdave, I also made alternate versions of Contra: Legacy of War, C: The Contra Adventure and Street Fighter Collection 1 & 2 in your appropriate topics, if you haven't seen them.
*Some text came from online descriptions of the games, but changed around a lot.