How does Yahoo decide what images g on the image site?

Question

How does Yahoo decide what images g on the image site?

Answer 1

What do you mean?

For the user's Avatars - it is up to THEM to decide how they want to be represented.  They can either use their Avatar (see link #1 below), or a picture that they have uploaded to their 360 page (link #2)

IF you mean Yahoo Images (link #3), then those are based on words used in Meta-tags on the actual webpages themselves (the same way a search engine finds pages)