Avatar: 8.5. I like the quality of it, but I'd like her to be actually doing something, other than looking at the ground. But, then again, maybe she's looking at your post?
Signature: 8/10. Amusing, but the loop needs to be longer to push it past 8/10. But I'm probably spoiled with great Source Filmmaker gifs.
Edit: also, you should make your signature link to something!