I think the no button from the Hot 20 was to keep it from being too easy to vote for an image that is already in the Hot 20, thereby inflating the votes for those images.

This is not my "second childhood". I'm not finished with the first one yet.

Time flies like an arrow; fruit flies like a banana.

"I'd like to die peacefully in my sleep like my grandfather....not screaming in terror like the passengers on his bus." - Jack Handy