Osugi Sakae

I am not much of an artist, but when a friend posted a link to http://twitpic.com/5ncmry/full, I decided to try making a poster with similar feelings but more like the original (which can be found at http://upload.wikimedia.org/wikipedia/commons/1/1d/Unclesamwantyou.jpg. Below is the result. What do you think?