The platform behavior has default keys set to yes, yet you are trying to simulate the same effect, i.e. you don't need event 1. If you want to take total control, set default keys to no.
Also, setting jump strength to 5 is way, way to low.
Make to to place your main sprite over a solid object.zenox982013-02-07 09:44:41
If your vision so exceeds your ability, then look to something closer.