This guy: http://themeforest.net/user/vnminhtriet
can make 100 similar comments on my page without any restriction from Envato. Here is what he is doing on my page: http://themeforest.net/item/magone-magazine-blogger-template/12016203/comments?page=8&filter=all#comment_11542811
This is the screenshot: http://pasteboard.co/24AHudES.png
I submitted flag and ticket, but seem moderators are now too busy to take a look.
Other guys can learn from this and spam a lot of link around on Envato market. And I am very UNHAPPY with this.