what i liked- the ending with Willie as Rowdy Roddy Peeper, people hating on homer, the part where Rock Bottom reveals stories they made up (Good freeze frame gag there), amongst other things.
i can't even explain why i love this episode. there's so many funny gags i can't list them all, and the plot is unique and clever, too. just watch this episode, if you haven't seen it, and even if you have, and just need a good laugh (or two, or three, or a lot). A+