Installation instructions are found in the product documentation.
http://publib.boulder.ibm.com/infocenter/wasinfo/v6r1/index.jsp?topic=/com.ibm.websphere.base.doc/info/aes/ae/covr_samples.html
Ken
browse for the plantsbywebsphere.ear and then keep clicking on next, it will deploy itself.
For more reference you can check this page, this is for making it work with db2
http://www.ibm.com/developerworks/websphere/library/techarticles/0304_krieger/krieger.html