Actually an old way now but in case you haven't known about it.......
A handy way to find your MUGEN character's head & mid positions:
- by using a Training MUGEN character!
Download hyperlink of this Training MUGEN character: http://www.mediafire.com/download/tvkg71vzxs7xcke/Training.rar#
* credit by Zzyzzyxx aka RimuWhy are head.pos and mid.pos important? It is because every MUGEN character has different widths and heights. When being thrown, if the head.pos and mid.pos are not set up well, then things might get out of place.
Some examples here:
Download hyperlink of this Training MUGEN character: http://www.mediafire.com/download/tvkg71vzxs7xcke/Training.rar#
* credit by Zzyzzyxx aka Rimu