[How-To] Install Stock/Custom Recovery - 100% automated

[CaptainBrowncoat]

Googling the filename ("optirec.zip") led me to a competing website that had a link to the self-extracting version which was still live. Don't want to offend anybody so I won't link to the other site or even name it, but the other site wasn't hard to find and had a MUCH more extensive and explanatory post to go with this file.