I bought a stainless steel cream whipper last year but have never used it. I have the C02 cartridges too. I am not really sure how to use it or what can be put in it. Here is a link to the one I have.
http://www.williams-sonoma.com/products/cw196/index.cfm?pkey=xsrd0m1%7C15%7C%7C%7C0%7C%7C%7C%7C%7C%7C%7Cwhipped%20cream&cm%5Fsrc=SCH

any advice for me?