I know I'm going to get in trouble for this but the audio is killing your work
the vo's, background, music ect.. do not sit in the track or mix very well and their is no over all environment
to the tracks and when its there is it's not on the mark
it might help to find a music bed for the demo and then cut to maybe so vo tracks
I found it better just to turn off the sound and watch your work
which by the way is very good
your not over working the action which is very nice ( your not heavy handed in your work)
if your going to make a demo you have use that same sharp eye and ears
and make the tuff call and make it pro
as far as clips go i would stay away from those real short ones that end before they start
of course this is just my opinion and my apologies if i ticked anyone off