Please spellcheck your essay before submitting it. Try to read through your document slowly by using your finger or the eraser-side of a pencil to slow down your reading. This will help you read more slowly and catch mistakes.
Below is an old cartoon I made a couple years ago based on a typo I found in set of chess instructions. I was so tickled by the image of the shrimp's cousin scuttling across a chess board that I simply had to draw it. I tried to capture a look of defiance on the prawn's face, as if to say, "No, I'm not moving back. Haven't you read the rules?"
Still, I'm thankful for inadvertently funny spelling errors. Without them, grading would be made a little less funny (very easy to do that), and I would never think thoughts like this: