This is the most common of them, and the one used most commonly by Toy stores
This was another of the common ones, seen mostly online and on websites.
The last one was not very common, and didn't have a good quality copy avalible. But using this article scan, and the box above, I combined this:
To recreate this:
That design wasn't liked by Chris Senn, so he sent a letter to whoever made the boxart. He included the following image for his ideal design of the boxart:
