I have been playing with the demo version of moho and come across the following issue. When you create a simple character out of png files and link these files to bones using the bind layer tool the scene works fine as a quicktime. But render the same scene as a swf and the png files get all messed up.
I have also noticed you can not reload a png file that is a layer unless it is the exact same size as the original. Otherwise the new image gets stretched.