I thought these were kind of funny, and that the commentents that when with them were nice also

Obscenely Difficult Hacked Levels (Super Mario Bros.)

http://www.youtube.com/watch?v=1XNTjVScm_8

"Sure, it looks mind-bogglingly hard; I can't even think as fast as that guy draws, but it's novel, game-changing, creative and cool. But then there's stuff like this one:"

http://www.youtube.com/watch?v=tkN28wmo6MY

"Which, as you can see, is decidedly less friendly. There are no new game-changing gimmicks here; it's just frustratingly difficult. It is at this point when you should start wondering whether your "friend" who designed it to "challenge" you might actually have some repressed anger towards you. But then there's this one:"

http://www.youtube.com/watch?v=8jHFa93Rkgs

"Which, honestly, is just being a dick. This is the point when you stop wondering if there are "repressed emotional issues" at hand, and start wondering if he just designed the level to distract you long enough to kill your dog, screw your mom, and hit you with a chair."

-gamespy