Well tell you the truth I can't say I've ever made one of those that way. Off hand I'd say it's FOV, Nope it's based on 24 Oh forget that that up wrong. I just made one. The width you render has to be a multible of 24. Keep that in mind. If you can divide the width evenly by 24 then that width will do. Ok pick some width say 1024 Lets check 1024 / 24 = 42.6 Nope that will not work. nope ok do it this way 24 X 42 =1008 Ok so that will be our width for this example. Select render to screen Select panorama Render to SCREEN Save as QTVR in the same drop down spot where you would normally pick bmp or tga on the save, yes that spot. Double click on the file.. Owwwwwwww Ahhhhhhhhh Panorama... Better than Liver........... Got stuck lost? See page 107 of the book. I just made one no problem and it worked no problem. Normally I make cubic QTVR's so you can look up and down to. that's made with 6 images 90 FOV with the 18mm lens.