so, what's wrong with these pictures?

How do you think? I want to get to know my readers. So, what's wrong with these pictures? Is there, at all? Which one do you like best? The one you like the least? Why? Play with my mind. Mess with my brain. Let's get all academic and goofy at the same time. Yes, let's. Most of us are visual people. Now, tell me what you think about these.