Doesn't look so bad for an ad.
You should put a pre-loader so it doesn't keep looping, though.
Newgrounds offers some free pre-loaders here: http://www.newgrounds.com/downloads/preloaders/

Even though I didn't understand the language, I could understand what it was about anyway, which is good. As a commercial I like its simplicity. I also find the motion pretty clean. So yeah, I liked it!