Attached Link: http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2730978

> Quote - ha ha ha...that's is what I'm lately wondering. See today one of the most commented or viewed is exactly the thumb with what is prohibited in TOS here!! > A nude breast cover up with a black target..

The use of pasties to cover nipples is allowed, the linked thread may help you understand some of the subtle nuances involved in how thumnails get assessed.