How to fix my kindle fire cracked screen

So my kindle is cracked and I type in my pass word and it kinda doesn't do it now and when I go on musically it doesn't do anything.*

"These don't apply to a Fire but other Kindles.

http://www.ehow.com/how_7561594_repair-k...

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

I'm going to replace the screen on my father-in-law's Kindle and came across these posts. I'll post my result's when I'm done."

where can i purchase a screen for my kindle fire .. i cracked the screen.

My black kindle *i am on my blue kindle* is cracked and how will I fix it? :(