This will change when the Wave 1 Expansions come out later this summer. Until then I am going to post Imperial versions of the CR90 Corellian Corvette and Nebulon-B Frigate that were used in the Star Wars EU (Exapnded Universe), There has been a lot of discussion regarding these ships on FFG's Forums, and many believe that FFG will not release them for the Empire as that would confuse casual fans that are not familiar with the EU.
But since my players are familiar with the EU, and would like to see these ships, here are my Fan Made examples of those two ships:
The Cards should be printed at 87% of their size to be the same size as the originals. At least that is how it works on my HP Laser Printer.