Hey that other level request thread reminded me that I need to ask for some, too.
In the game, you hit the spacebar to teleport halfway inside of a wall, then move to the other side as much as you can and hit spacebar to teleport the rest of the way out of the wall (on the other side).
Could I get some level ideas? Feel free to post screenshots and stuff made in paint, and if you want, I'll co-author you as a designer in V3.