Thanks! yes, the flute solo is meant to portray a child or uncoordinated adult attempting some tricky maneuvers on the ice. I marked it Rubato, so the flutist can do whatever they want with it.
The criticism is totally valid, I definitely am challenged dynamically. Partly because I use step-record. but also I tend to control dynamics by adding and subtracting instruments, rather than spending all that time doing it the right way!