iPhone stuck on apple logo! Need help fast!

Hello, I jailbroken my phone today with redsn0w. I was downloading a app and turned off my iPhone. When i turned it back on, it got stuck in the apple logo for an hour. I searched how to unlock it on youtube and none of it worked for me. My iPhone is a 8gb, 3gs and on ios 6.0.1. Please help and answer by today i really need to know! and please give me more than one way.