I love how this is clearly about a group of brave scientists who shrunk themselves down to a microscopic level and entered this guy's body to cure him of a fatal disease, only to run short on time and had to escape out of his navel, but their submarine began to return to normal size and...
Oh wait. That's a rocket stuck in there? Never mind.
This is a pretty rockin' pic but I think there's a detail which needs to be noted in particular. Namely, the eyes. This could have very easily been seen as some kind of comedy, but the solid red eyes give it a kind of Hellraiser vibe.
I don't encourage people to be offensive, but I'm a compulsive feedback giver.
The easy way to make it more offensive is have the guy riding the pig be naked. Done. The more intellectual way to do it is make it about symbolism. Have the guy on top represent something and the pig represent something else.
Either way, I probably wouldn't want to see a more offensive version of this.
It somewhat reminds me of an old political cartoon from before the French Revolution. It had the bloated aristocracy riding on the back of a starving peasant. Similar idea.