the way i do it is i make the head
goto filters
sharpen
change it to 60
goto filter again
then animation
spinning globe
click ok
a window will pop up with the head as a sphere
goto file
click save as random name_preview.gif
when the box comes up click save as animation
click export
another window will pop up
change delay between frames to 160
and click save and ur done
then upload the head