Thankfully, je parle francais... ;-)
That's great, even if he makes it seem very easy. I loved the "jam interlude" and the use of the Warp tool in CS2.
Of course, it is also possible to do the Nadir patch as a separate project (non-templated) directly in PTMac or PTGui. Or to simply transform the equirectangular coordinates to show the top and bottom on the sides in Photoshop using Flexify (www.flamingpear.com
) and retouch the Zenith and Nadir there, then return it to conventional equirectangular for QTVR or other use.