Why oh why can I never escape Comic Sans? For the love of all things beautiful, never use Comic Sans unless there is really a need to use it. Don't even use it in comics, because comics aren't lettered like that.
I'm not really sure of the point of posting a wallpaper that is entirely inside humor. It's kind of beyond the purpose of an art forum. You did a good job of cutting and blending the individual images, but there's nothing else to say.