Part 3 was pretty good. Funnier than most of your others.
You still need to work on punctuation and contractions. Most of your sentences are missing periods at the end. You also have a tendency to confuse "You're" (the contraction for "you are") with "your" (the posessive form of "you.")
I recommend this page:
http://english-zone.com/index.php?ID=63
This page has lots of good exercises:
http://english-zone.com/index.php?ID=60
In particular, this exercise:
http://www.english-zone.com/spelling/cont-01.html
Actually, the whole site is helpful:
http://www.english-zone.com
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...Trot and Cap'n Bill were free from anxiety and care. Button-Bright never worried about anything. The Scarecrow, not being able to sleep, looked out of the window and tried to count the stars.