The Vargas and Elvgren pin up girl প্রতিমূর্তি are very copyrighted....how is it that they can be on this site and what precautions need to be outlined about using copyrighted images? Do আপনি do a খুঁজুন for public domain images?
The short answer is that ফ্যানপপ provides an "image credit" field which every user should use to make it clear that no ownership অথবা rights to the প্রতিমূর্তি are implied দ্বারা being পোষ্ট হয়েছে here: the প্রতিমূর্তি still belong to <these people> (what আপনি insert in the image credit field).
Do a খুঁজুন of ফ্যানপপ (or just participate in a ফোরাম long enough) and আপনি will quickly find dozens of pages of people discussing how to properly use the image credit field. One fairly straightforward method is described in this article: link