Hello. I've never made a wallpaper using the extraction + render process that seems common here.
I have two questions.
1. What are some good sites for finding high quality anime/game images for extraction?
2. What is the etiquette in crediting material to its copyright holder/source creator?
For example, let's say I were to take an original photograph from an artist's online gallery and an image of an anime character from a fansite for that anime. Of course I would ask permission for the original photograph and give credit to the original artist of the photo. But in the case of anime and game characters, the source site is likely not the creator of the image, so should they be mentioned or not?
I'm also curious if people use their own renders or if they take them from another source, and, if so, do they link back to the original creator?