The Vargas and Elvgren pin up girl तस्वीरें 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 आप do a खोजिए for public domain images?
The short answer is that फैन्पॉप provides an "image credit" field which every user should use to make it clear that no ownership या rights to the तस्वीरें are implied द्वारा being पोस्टेड here: the तस्वीरें still belong to <these people> (what आप insert in the image credit field).
Do a खोजिए of फैन्पॉप (or just participate in a मंच long enough) and आप 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