[Q] Odin to flash .ZIP topic

Hi just a quick question it says in the instruction that I shouldn't use .zip file link to the instruction: http://forum.xda-developers.com/show....php?t=1773659, how can I install this recovery-skyrocket-6037.zip?

Here is the link for the tut that I follow: http://forum.xda-developers.com/show...ghlight=how+to