I also like the constructive criticism too. I find the generic hugs and stuff annoying. If you like something put some thought into it and point out what you like about it. It is more valuable. I think the sky rocks. etc. You would know what someone liked about an image and know what they can go back and try in another form again.

The wit of a misplaced ex-patriot.
I cheated on my metaphysics exam by looking into the soul of the person next to me.