IMO, the video is a little shaky at points. The girls eyes seem to change color. And at points her eyes lack light, a song about eyes should highlight them.
Have a problem with your video and the only way to fix it is to buy a tool that you don't have money for? Ubuntu studio could be your secret weapon. this full operating system is loaded with tools for video, music, and photos. Im going to compose my next stop motion short with this OS. If any one wants to see it when it's done, click on "More," then "Enable Email Alerts" and I'll post it in the comments below.