I believe many have known this but i hope to share it more.
SPI-V has a flickr plugin for any equi imag. It will auto generate the 360 pano on it’s own.
Easiest way is to install the Bookmarklet. Go to your equi image on Flickr and click this link from your bookmarks (i bookmark it on my Firefox bar) and it works.
Great for friends who does not host their own panos.