[konidias]

Oh yeah and I forgot to mention.. never EVER put house or objects right near the end of a level if the player can walk in from the other side.. then they will end up on the roofs and stuck in things all the time.. and especially don't cut houses off halfway on a level (like the roof at the bottom of one level and the bottom of the house on the top of the level below), because it's really annoying..

Oh and one more thing.. don't put signs or doors so close to the bottom of the level that you accidentally walk into them when you come from the bottom.