Is this the right place to ask about how this site works? I have a general question.

I found a pic on another site with the usual "newbienudes.com" watermark, followed by two more lines just under it, in smaller type: "Posted by: juicybeaver" and "ID: 10723415". But when I look here for posts by juicybeaver I get the message
"Sorry - there is no content to show on this occasion! Check your browse/search settings."

Also, a tineye search for a different pic give a link
http://www.newbienudes.com/photos/default.asp?AT=U&OB=D&SB=periegirl
that opens in newbienudes with username=periegirl and the same message
"Sorry - there is no content to show on this occasion! Check your browse/search settings."

How do I find those pics and others like them?