00:03:870 (1) - Volume to 5%, it "will" be better (when you spin, you have the ding-ding-ding every 1000 points on a very calm part, it's annoying).
00:13:620 (1) -
Ctrl-G, better flow, trust me.00:49:245 (3) - > flows better >
http://puu.sh/khENZ.jpg01:28:620 (1) - Maybe curve this one a little bit on the left "and" stack the end of 01:27:870 (4) - to the end of 01:28:620 (1) -
01:37:995 (1) - Remove NC.
01:40:995 (1) - ^
02:37:245 (2) -
Nothing define this as 1/8, you should do like others, 1/4.03:26:182 (2,3) - Stack theses if you want some esthetics.
04:03:495 (1) - Remove NC.
04:34:245 (3,1) - Stack theses if you want some esthetics.
04:36:213 (1) -
You could have mapped a bit this part instead of placing a spinner. 
