Outlets.

On Wikipedia, there's a page in the Community section that lists about 40,000 requested pictures. Each photo (or image) has to either be licensed with the GNU Free Documentation License or be in the public domain. Here's the official policy documentation.

I was attracted to the Food & Beverage section for some reason... I could contribute schmaltz or ice cream cake. There's so much on the list that there should be something for everyone.