Here's a quick primer for those who are comment-deficient:
1. Click the comments hyperlink at the bottom of the post
2. Type either "Good" or "Bad" in the text box
3. Click Publish Your Comments
That's it. Really easy, isn't it?
As a gift for being such a good student, here's a really sweet video of sandcastles blowing up in reverse. It reminds me of my 'Revo' days when the favorite pass time of my friends and myself was recording things then playing the tapes in reverse. We were easily amused.
(Man, this is awesome)