thats sweet, dude... looks like you had it until you opened up and froze up right in the middle there. Dont you hate it when you do that... your mind is all set to do the trick and then your body refuses to go through with it.
if you wanna see exactly what a normal flatspin in the pipe is (non-alleyoop) just watch Rinfret's segment in Stereotype, he's got it down. it's not the same as a cork 5.