first (home)
prev (left)
next (right)
last (end)
single
ribbon
toggle ribbon view (space)
toggle wide view
create ribbon above (helper)
create ribbon below (helper)
merge ribbons up
merge ribbons down
demote image (shift-up)
promote image (shift-down)
NOTE: ctrl-shift-up / ctrl-shift-down will demote / promote an image to a new empty ribbon (the default if no ribbon exists)
focus above ribbon (up)
focus below ribbon (down)