I know we've beat this to death a few times before, but a little discussion on IRC tonight prompted me to do some research.
While these stats are only on my skins, I would not be surprised to find that many other author's stats are similar.
My total downloads here at WC - 174,505
Comments left on my skins @ WC - 166
Thats an average of 1,051 d/s for every comment.
My total downloads at LOS - 9,195
Comments left at LOS - 64
Average of 143 d/l per comment.
Downloads at skinz - 17,014
Comments - 1
I think you can figure out that ratio.
I'm curious as to what everyone thinks is the difference between these sites that causes such drastically different results when it comes to things like this.