Please fix the background on the roof level.

When playing the roof levels, you may wonder, how did the zombies get on the roof? Well, just like how they got in the backyard. On the original version of the game during the select screen, in the bottom right of the roof levels you can see a ladder leading up to the roof. Though in replanted the ladder is gone, and replaced with a fence? What... I think this is a product of the AI used but its funny to see a such a tall fence leading all the way up to the roof. So please, get rid of this freakishly long fence and replace it with the ladder that has always been there. Please and thank you.