Can anyone help me with finding a rap beat?

I'm a beginner freestyle rapper and i've been looking for good beats
to use. I found one but it was in a song and i cant find the vanilla
beat by itself. The beat is in two videos i found:
http://www.youtube.com/watch?v=n-d-ehF-K8I and

http://www.youtube.com/watch?v=I6XLswqiX0s