These are open request to the art team, Everything you see listed below is a request for art, You should find a section called Artists note. These are text descriptions of a limited technical nature designed to be descriptive. If you have questions, please leave the question to the page author right in the notes. If you need extensive discussion, please go to the talk page, and note this in the artists notes.
If you decide to work on a piece, please "take ownership" of it in the artists notes.
If you want to work on something else, by all means, just mention it in the talk, and do it.