Just right click the picture you want to put up here (this is the same for pictures from quiz'es, do not use the code they give you, it will NOT work here!). Then COPY the url and then put it between these codes: [*img]the url of your picture here[*/img] (please delete the * when you use this code)
How to center a picture or text?
Just use the following codes: [*center]put the image or text in here[*/center] (each time without the *)
Click on modify profile and put the link of the pic with the (img) in 'signature' It's under the 'personal text' thingie